18630560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^3\times {\mathrm{53}}^1$

素因数の和:107

約数の個数: 96

約数和(自身を含む): 48580560

約数和(自身を除く): 29950000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 65, 80, 104, 106, 130, 160, 169, 208, 212, 260, 265, 338, 416, 424, 520, 530, 676, 689, 845, 848, 1040, 1060, 1352, 1378, 1690, 1696, 2080, 2120, 2197, 2704, 2756, 3380, 3445, 4240, 4394, 5408, 5512, 6760, 6890, 8480, 8788, 8957, 10985, 11024, 13520, 13780, 17576, 17914, 21970, 22048, 27040, 27560, 35152, 35828, 43940, 44785, 55120, 70304, 71656, 87880, 89570, 110240, 116441, 143312, 175760, 179140, 232882, 286624, 351520, 358280, 465764, 582205, 716560, 931528, 1164410, 1433120, 1863056, 2328820, 3726112, 4657640, 9315280, 18630560]

約数ペア:

[(1, 18630560), (2, 9315280), (4, 4657640), (5, 3726112), (8, 2328820), (10, 1863056), (13, 1433120), (16, 1164410), (20, 931528), (26, 716560), (32, 582205), (40, 465764), (52, 358280), (53, 351520), (65, 286624), (80, 232882), (104, 179140), (106, 175760), (130, 143312), (160, 116441), (169, 110240), (208, 89570), (212, 87880), (260, 71656), (265, 70304), (338, 55120), (416, 44785), (424, 43940), (520, 35828), (530, 35152), (676, 27560), (689, 27040), (845, 22048), (848, 21970), (1040, 17914), (1060, 17576), (1352, 13780), (1378, 13520), (1690, 11024), (1696, 10985), (2080, 8957), (2120, 8788), (2197, 8480), (2704, 6890), (2756, 6760), (3380, 5512), (3445, 5408), (4240, 4394)]