18982560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:646

約数の個数: 96

約数和(自身を含む): 60746112

約数和(自身を除く): 41763552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 71, 80, 96, 120, 142, 160, 213, 240, 284, 355, 426, 480, 557, 568, 710, 852, 1065, 1114, 1136, 1420, 1671, 1704, 2130, 2228, 2272, 2785, 2840, 3342, 3408, 4260, 4456, 5570, 5680, 6684, 6816, 8355, 8520, 8912, 11140, 11360, 13368, 16710, 17040, 17824, 22280, 26736, 33420, 34080, 39547, 44560, 53472, 66840, 79094, 89120, 118641, 133680, 158188, 197735, 237282, 267360, 316376, 395470, 474564, 593205, 632752, 790940, 949128, 1186410, 1265504, 1581880, 1898256, 2372820, 3163760, 3796512, 4745640, 6327520, 9491280, 18982560]

約数ペア:

[(1, 18982560), (2, 9491280), (3, 6327520), (4, 4745640), (5, 3796512), (6, 3163760), (8, 2372820), (10, 1898256), (12, 1581880), (15, 1265504), (16, 1186410), (20, 949128), (24, 790940), (30, 632752), (32, 593205), (40, 474564), (48, 395470), (60, 316376), (71, 267360), (80, 237282), (96, 197735), (120, 158188), (142, 133680), (160, 118641), (213, 89120), (240, 79094), (284, 66840), (355, 53472), (426, 44560), (480, 39547), (557, 34080), (568, 33420), (710, 26736), (852, 22280), (1065, 17824), (1114, 17040), (1136, 16710), (1420, 13368), (1671, 11360), (1704, 11140), (2130, 8912), (2228, 8520), (2272, 8355), (2785, 6816), (2840, 6684), (3342, 5680), (3408, 5570), (4260, 4456)]