19351440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 240

約数和(自身を含む): 73090560

約数和(自身を除く): 53739120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 31, 34, 36, 40, 45, 48, 51, 54, 60, 62, 68, 72, 80, 85, 90, 93, 102, 108, 120, 124, 135, 136, 144, 153, 155, 170, 180, 186, 204, 216, 240, 248, 255, 270, 272, 279, 289, 306, 310, 340, 360, 372, 408, 432, 459, 465, 496, 510, 527, 540, 558, 578, 612, 620, 680, 720, 744, 765, 816, 837, 867, 918, 930, 1020, 1054, 1080, 1116, 1156, 1224, 1240, 1360, 1395, 1445, 1488, 1530, 1581, 1674, 1734, 1836, 1860, 2040, 2108, 2160, 2232, 2295, 2312, 2448, 2480, 2601, 2635, 2790, 2890, 3060, 3162, 3348, 3468, 3672, 3720, 4080, 4185, 4216, 4335, 4464, 4590, 4624, 4743, 5202, 5270, 5580, 5780, 6120, 6324, 6696, 6936, 7344, 7440, 7803, 7905, 8370, 8432, 8670, 8959, 9180, 9486, 10404, 10540, 11160, 11560, 12240, 12648, 13005, 13392, 13872, 14229, 15606, 15810, 16740, 17340, 17918, 18360, 18972, 20808, 21080, 22320, 23120, 23715, 25296, 26010, 26877, 28458, 31212, 31620, 33480, 34680, 35836, 36720, 37944, 39015, 41616, 42160, 44795, 47430, 52020, 53754, 56916, 62424, 63240, 66960, 69360, 71145, 71672, 75888, 78030, 80631, 89590, 94860, 104040, 107508, 113832, 124848, 126480, 134385, 142290, 143344, 156060, 161262, 179180, 189720, 208080, 215016, 227664, 241893, 268770, 284580, 312120, 322524, 358360, 379440, 403155, 430032, 483786, 537540, 569160, 624240, 645048, 716720, 806310, 967572, 1075080, 1138320, 1209465, 1290096, 1612620, 1935144, 2150160, 2418930, 3225240, 3870288, 4837860, 6450480, 9675720, 19351440]

約数ペア:

[(1, 19351440), (2, 9675720), (3, 6450480), (4, 4837860), (5, 3870288), (6, 3225240), (8, 2418930), (9, 2150160), (10, 1935144), (12, 1612620), (15, 1290096), (16, 1209465), (17, 1138320), (18, 1075080), (20, 967572), (24, 806310), (27, 716720), (30, 645048), (31, 624240), (34, 569160), (36, 537540), (40, 483786), (45, 430032), (48, 403155), (51, 379440), (54, 358360), (60, 322524), (62, 312120), (68, 284580), (72, 268770), (80, 241893), (85, 227664), (90, 215016), (93, 208080), (102, 189720), (108, 179180), (120, 161262), (124, 156060), (135, 143344), (136, 142290), (144, 134385), (153, 126480), (155, 124848), (170, 113832), (180, 107508), (186, 104040), (204, 94860), (216, 89590), (240, 80631), (248, 78030), (255, 75888), (270, 71672), (272, 71145), (279, 69360), (289, 66960), (306, 63240), (310, 62424), (340, 56916), (360, 53754), (372, 52020), (408, 47430), (432, 44795), (459, 42160), (465, 41616), (496, 39015), (510, 37944), (527, 36720), (540, 35836), (558, 34680), (578, 33480), (612, 31620), (620, 31212), (680, 28458), (720, 26877), (744, 26010), (765, 25296), (816, 23715), (837, 23120), (867, 22320), (918, 21080), (930, 20808), (1020, 18972), (1054, 18360), (1080, 17918), (1116, 17340), (1156, 16740), (1224, 15810), (1240, 15606), (1360, 14229), (1395, 13872), (1445, 13392), (1488, 13005), (1530, 12648), (1581, 12240), (1674, 11560), (1734, 11160), (1836, 10540), (1860, 10404), (2040, 9486), (2108, 9180), (2160, 8959), (2232, 8670), (2295, 8432), (2312, 8370), (2448, 7905), (2480, 7803), (2601, 7440), (2635, 7344), (2790, 6936), (2890, 6696), (3060, 6324), (3162, 6120), (3348, 5780), (3468, 5580), (3672, 5270), (3720, 5202), (4080, 4743), (4185, 4624), (4216, 4590), (4335, 4464)]