18698550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:294

約数の個数: 96

約数和(自身を含む): 51330048

約数和(自身を除く): 32631498

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 43, 50, 65, 75, 78, 86, 129, 130, 150, 195, 215, 223, 258, 325, 390, 430, 446, 559, 645, 650, 669, 975, 1075, 1115, 1118, 1290, 1338, 1677, 1950, 2150, 2230, 2795, 2899, 3225, 3345, 3354, 5575, 5590, 5798, 6450, 6690, 8385, 8697, 9589, 11150, 13975, 14495, 16725, 16770, 17394, 19178, 27950, 28767, 28990, 33450, 41925, 43485, 47945, 57534, 72475, 83850, 86970, 95890, 124657, 143835, 144950, 217425, 239725, 249314, 287670, 373971, 434850, 479450, 623285, 719175, 747942, 1246570, 1438350, 1869855, 3116425, 3739710, 6232850, 9349275, 18698550]

約数ペア:

[(1, 18698550), (2, 9349275), (3, 6232850), (5, 3739710), (6, 3116425), (10, 1869855), (13, 1438350), (15, 1246570), (25, 747942), (26, 719175), (30, 623285), (39, 479450), (43, 434850), (50, 373971), (65, 287670), (75, 249314), (78, 239725), (86, 217425), (129, 144950), (130, 143835), (150, 124657), (195, 95890), (215, 86970), (223, 83850), (258, 72475), (325, 57534), (390, 47945), (430, 43485), (446, 41925), (559, 33450), (645, 28990), (650, 28767), (669, 27950), (975, 19178), (1075, 17394), (1115, 16770), (1118, 16725), (1290, 14495), (1338, 13975), (1677, 11150), (1950, 9589), (2150, 8697), (2230, 8385), (2795, 6690), (2899, 6450), (3225, 5798), (3345, 5590), (3354, 5575)]