19354788

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:135

約数の個数: 120

約数和(自身を含む): 54641664

約数和(自身を除く): 35286876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 41, 47, 54, 62, 81, 82, 93, 94, 108, 123, 124, 141, 162, 164, 186, 188, 246, 279, 282, 324, 369, 372, 423, 492, 558, 564, 738, 837, 846, 1107, 1116, 1269, 1271, 1457, 1476, 1674, 1692, 1927, 2214, 2511, 2538, 2542, 2914, 3321, 3348, 3807, 3813, 3854, 4371, 4428, 5022, 5076, 5084, 5781, 5828, 6642, 7614, 7626, 7708, 8742, 10044, 11439, 11562, 13113, 13284, 15228, 15252, 17343, 17484, 22878, 23124, 26226, 34317, 34686, 39339, 45756, 52029, 52452, 59737, 68634, 69372, 78678, 102951, 104058, 118017, 119474, 137268, 156087, 157356, 179211, 205902, 208116, 236034, 238948, 312174, 358422, 411804, 472068, 537633, 624348, 716844, 1075266, 1612899, 2150532, 3225798, 4838697, 6451596, 9677394, 19354788]

約数ペア:

[(1, 19354788), (2, 9677394), (3, 6451596), (4, 4838697), (6, 3225798), (9, 2150532), (12, 1612899), (18, 1075266), (27, 716844), (31, 624348), (36, 537633), (41, 472068), (47, 411804), (54, 358422), (62, 312174), (81, 238948), (82, 236034), (93, 208116), (94, 205902), (108, 179211), (123, 157356), (124, 156087), (141, 137268), (162, 119474), (164, 118017), (186, 104058), (188, 102951), (246, 78678), (279, 69372), (282, 68634), (324, 59737), (369, 52452), (372, 52029), (423, 45756), (492, 39339), (558, 34686), (564, 34317), (738, 26226), (837, 23124), (846, 22878), (1107, 17484), (1116, 17343), (1269, 15252), (1271, 15228), (1457, 13284), (1476, 13113), (1674, 11562), (1692, 11439), (1927, 10044), (2214, 8742), (2511, 7708), (2538, 7626), (2542, 7614), (2914, 6642), (3321, 5828), (3348, 5781), (3807, 5084), (3813, 5076), (3854, 5022), (4371, 4428)]