18857150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 38424624

約数和(自身を除く): 19567474

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 67, 130, 134, 325, 335, 433, 650, 670, 866, 871, 1675, 1742, 2165, 3350, 4330, 4355, 5629, 8710, 10825, 11258, 21650, 21775, 28145, 29011, 43550, 56290, 58022, 140725, 145055, 281450, 290110, 377143, 725275, 754286, 1450550, 1885715, 3771430, 9428575, 18857150]

約数ペア:

[(1, 18857150), (2, 9428575), (5, 3771430), (10, 1885715), (13, 1450550), (25, 754286), (26, 725275), (50, 377143), (65, 290110), (67, 281450), (130, 145055), (134, 140725), (325, 58022), (335, 56290), (433, 43550), (650, 29011), (670, 28145), (866, 21775), (871, 21650), (1675, 11258), (1742, 10825), (2165, 8710), (3350, 5629), (4330, 4355)]