18886140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1153}}^1$

素因数の和:1188

約数の個数: 144

約数和(自身を含む): 70569408

約数和(自身を除く): 51683268

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1153, 1170, 1260, 1365, 1638, 1820, 2306, 2340, 2730, 3276, 3459, 4095, 4612, 5460, 5765, 6918, 8071, 8190, 10377, 11530, 13836, 14989, 16142, 16380, 17295, 20754, 23060, 24213, 29978, 32284, 34590, 40355, 41508, 44967, 48426, 51885, 59956, 69180, 72639, 74945, 80710, 89934, 96852, 103770, 104923, 121065, 134901, 145278, 149890, 161420, 179868, 207540, 209846, 224835, 242130, 269802, 290556, 299780, 314769, 363195, 419692, 449670, 484260, 524615, 539604, 629538, 674505, 726390, 899340, 944307, 1049230, 1259076, 1349010, 1452780, 1573845, 1888614, 2098460, 2698020, 3147690, 3777228, 4721535, 6295380, 9443070, 18886140]

約数ペア:

[(1, 18886140), (2, 9443070), (3, 6295380), (4, 4721535), (5, 3777228), (6, 3147690), (7, 2698020), (9, 2098460), (10, 1888614), (12, 1573845), (13, 1452780), (14, 1349010), (15, 1259076), (18, 1049230), (20, 944307), (21, 899340), (26, 726390), (28, 674505), (30, 629538), (35, 539604), (36, 524615), (39, 484260), (42, 449670), (45, 419692), (52, 363195), (60, 314769), (63, 299780), (65, 290556), (70, 269802), (78, 242130), (84, 224835), (90, 209846), (91, 207540), (105, 179868), (117, 161420), (126, 149890), (130, 145278), (140, 134901), (156, 121065), (180, 104923), (182, 103770), (195, 96852), (210, 89934), (234, 80710), (252, 74945), (260, 72639), (273, 69180), (315, 59956), (364, 51885), (390, 48426), (420, 44967), (455, 41508), (468, 40355), (546, 34590), (585, 32284), (630, 29978), (780, 24213), (819, 23060), (910, 20754), (1092, 17295), (1153, 16380), (1170, 16142), (1260, 14989), (1365, 13836), (1638, 11530), (1820, 10377), (2306, 8190), (2340, 8071), (2730, 6918), (3276, 5765), (3459, 5460), (4095, 4612)]