18792800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^2\times {\mathrm{139}}^1$

素因数の和:185

約数の個数: 108

約数和(自身を含む): 50035860

約数和(自身を除く): 31243060

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 139, 160, 169, 200, 208, 260, 278, 325, 338, 400, 416, 520, 556, 650, 676, 695, 800, 845, 1040, 1112, 1300, 1352, 1390, 1690, 1807, 2080, 2224, 2600, 2704, 2780, 3380, 3475, 3614, 4225, 4448, 5200, 5408, 5560, 6760, 6950, 7228, 8450, 9035, 10400, 11120, 13520, 13900, 14456, 16900, 18070, 22240, 23491, 27040, 27800, 28912, 33800, 36140, 45175, 46982, 55600, 57824, 67600, 72280, 90350, 93964, 111200, 117455, 135200, 144560, 180700, 187928, 234910, 289120, 361400, 375856, 469820, 587275, 722800, 751712, 939640, 1174550, 1445600, 1879280, 2349100, 3758560, 4698200, 9396400, 18792800]

約数ペア:

[(1, 18792800), (2, 9396400), (4, 4698200), (5, 3758560), (8, 2349100), (10, 1879280), (13, 1445600), (16, 1174550), (20, 939640), (25, 751712), (26, 722800), (32, 587275), (40, 469820), (50, 375856), (52, 361400), (65, 289120), (80, 234910), (100, 187928), (104, 180700), (130, 144560), (139, 135200), (160, 117455), (169, 111200), (200, 93964), (208, 90350), (260, 72280), (278, 67600), (325, 57824), (338, 55600), (400, 46982), (416, 45175), (520, 36140), (556, 33800), (650, 28912), (676, 27800), (695, 27040), (800, 23491), (845, 22240), (1040, 18070), (1112, 16900), (1300, 14456), (1352, 13900), (1390, 13520), (1690, 11120), (1807, 10400), (2080, 9035), (2224, 8450), (2600, 7228), (2704, 6950), (2780, 6760), (3380, 5560), (3475, 5408), (3614, 5200), (4225, 4448)]