19017180

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 288

約数和(自身を含む): 75339264

約数和(自身を除く): 56322084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 43, 45, 52, 54, 60, 63, 65, 70, 78, 81, 84, 86, 90, 91, 105, 108, 117, 126, 129, 130, 135, 140, 156, 162, 172, 180, 182, 189, 195, 210, 215, 234, 243, 252, 258, 260, 270, 273, 301, 315, 324, 351, 364, 378, 387, 390, 405, 420, 430, 455, 468, 486, 516, 540, 546, 559, 567, 585, 602, 630, 645, 702, 756, 774, 780, 810, 819, 860, 903, 910, 945, 972, 1053, 1092, 1118, 1134, 1161, 1170, 1204, 1215, 1260, 1290, 1365, 1404, 1505, 1548, 1620, 1638, 1677, 1701, 1755, 1806, 1820, 1890, 1935, 2106, 2236, 2268, 2322, 2340, 2430, 2457, 2580, 2709, 2730, 2795, 2835, 3010, 3159, 3276, 3354, 3402, 3483, 3510, 3612, 3780, 3870, 3913, 4095, 4212, 4515, 4644, 4860, 4914, 5031, 5265, 5418, 5460, 5590, 5670, 5805, 6020, 6318, 6708, 6804, 6966, 7020, 7371, 7740, 7826, 8127, 8190, 8385, 8505, 9030, 9828, 10062, 10449, 10530, 10836, 11180, 11340, 11610, 11739, 12285, 12636, 13545, 13932, 14742, 15093, 15652, 15795, 16254, 16380, 16770, 17010, 17415, 18060, 19565, 20124, 20898, 21060, 22113, 23220, 23478, 24381, 24570, 25155, 27090, 29484, 30186, 31590, 32508, 33540, 34020, 34830, 35217, 36855, 39130, 40635, 41796, 44226, 45279, 46956, 48762, 49140, 50310, 52245, 54180, 58695, 60372, 63180, 69660, 70434, 73143, 73710, 75465, 78260, 81270, 88452, 90558, 97524, 100620, 104490, 105651, 110565, 117390, 121905, 135837, 140868, 146286, 147420, 150930, 162540, 176085, 181116, 208980, 211302, 221130, 226395, 234780, 243810, 271674, 292572, 301860, 316953, 352170, 365715, 422604, 442260, 452790, 487620, 528255, 543348, 633906, 679185, 704340, 731430, 905580, 950859, 1056510, 1267812, 1358370, 1462860, 1584765, 1901718, 2113020, 2716740, 3169530, 3803436, 4754295, 6339060, 9508590, 19017180]

約数ペア:

[(1, 19017180), (2, 9508590), (3, 6339060), (4, 4754295), (5, 3803436), (6, 3169530), (7, 2716740), (9, 2113020), (10, 1901718), (12, 1584765), (13, 1462860), (14, 1358370), (15, 1267812), (18, 1056510), (20, 950859), (21, 905580), (26, 731430), (27, 704340), (28, 679185), (30, 633906), (35, 543348), (36, 528255), (39, 487620), (42, 452790), (43, 442260), (45, 422604), (52, 365715), (54, 352170), (60, 316953), (63, 301860), (65, 292572), (70, 271674), (78, 243810), (81, 234780), (84, 226395), (86, 221130), (90, 211302), (91, 208980), (105, 181116), (108, 176085), (117, 162540), (126, 150930), (129, 147420), (130, 146286), (135, 140868), (140, 135837), (156, 121905), (162, 117390), (172, 110565), (180, 105651), (182, 104490), (189, 100620), (195, 97524), (210, 90558), (215, 88452), (234, 81270), (243, 78260), (252, 75465), (258, 73710), (260, 73143), (270, 70434), (273, 69660), (301, 63180), (315, 60372), (324, 58695), (351, 54180), (364, 52245), (378, 50310), (387, 49140), (390, 48762), (405, 46956), (420, 45279), (430, 44226), (455, 41796), (468, 40635), (486, 39130), (516, 36855), (540, 35217), (546, 34830), (559, 34020), (567, 33540), (585, 32508), (602, 31590), (630, 30186), (645, 29484), (702, 27090), (756, 25155), (774, 24570), (780, 24381), (810, 23478), (819, 23220), (860, 22113), (903, 21060), (910, 20898), (945, 20124), (972, 19565), (1053, 18060), (1092, 17415), (1118, 17010), (1134, 16770), (1161, 16380), (1170, 16254), (1204, 15795), (1215, 15652), (1260, 15093), (1290, 14742), (1365, 13932), (1404, 13545), (1505, 12636), (1548, 12285), (1620, 11739), (1638, 11610), (1677, 11340), (1701, 11180), (1755, 10836), (1806, 10530), (1820, 10449), (1890, 10062), (1935, 9828), (2106, 9030), (2236, 8505), (2268, 8385), (2322, 8190), (2340, 8127), (2430, 7826), (2457, 7740), (2580, 7371), (2709, 7020), (2730, 6966), (2795, 6804), (2835, 6708), (3010, 6318), (3159, 6020), (3276, 5805), (3354, 5670), (3402, 5590), (3483, 5460), (3510, 5418), (3612, 5265), (3780, 5031), (3870, 4914), (3913, 4860), (4095, 4644), (4212, 4515)]