18875220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3457}}^1$

素因数の和:3489

約数の個数: 96

約数和(自身を含む): 65065728

約数和(自身を除く): 46190508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 3457, 5460, 6914, 10371, 13828, 17285, 20742, 24199, 34570, 41484, 44941, 48398, 51855, 69140, 72597, 89882, 96796, 103710, 120995, 134823, 145194, 179764, 207420, 224705, 241990, 269646, 290388, 314587, 362985, 449410, 483980, 539292, 629174, 674115, 725970, 898820, 943761, 1258348, 1348230, 1451940, 1572935, 1887522, 2696460, 3145870, 3775044, 4718805, 6291740, 9437610, 18875220]

約数ペア:

[(1, 18875220), (2, 9437610), (3, 6291740), (4, 4718805), (5, 3775044), (6, 3145870), (7, 2696460), (10, 1887522), (12, 1572935), (13, 1451940), (14, 1348230), (15, 1258348), (20, 943761), (21, 898820), (26, 725970), (28, 674115), (30, 629174), (35, 539292), (39, 483980), (42, 449410), (52, 362985), (60, 314587), (65, 290388), (70, 269646), (78, 241990), (84, 224705), (91, 207420), (105, 179764), (130, 145194), (140, 134823), (156, 120995), (182, 103710), (195, 96796), (210, 89882), (260, 72597), (273, 69140), (364, 51855), (390, 48398), (420, 44941), (455, 41484), (546, 34570), (780, 24199), (910, 20742), (1092, 17285), (1365, 13828), (1820, 10371), (2730, 6914), (3457, 5460)]