18494450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{769}}^1$

素因数の和:831

約数の個数: 48

約数和(自身を含む): 38096520

約数和(自身を除く): 19602070

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 74, 130, 185, 325, 370, 481, 650, 769, 925, 962, 1538, 1850, 2405, 3845, 4810, 7690, 9997, 12025, 19225, 19994, 24050, 28453, 38450, 49985, 56906, 99970, 142265, 249925, 284530, 369889, 499850, 711325, 739778, 1422650, 1849445, 3698890, 9247225, 18494450]

約数ペア:

[(1, 18494450), (2, 9247225), (5, 3698890), (10, 1849445), (13, 1422650), (25, 739778), (26, 711325), (37, 499850), (50, 369889), (65, 284530), (74, 249925), (130, 142265), (185, 99970), (325, 56906), (370, 49985), (481, 38450), (650, 28453), (769, 24050), (925, 19994), (962, 19225), (1538, 12025), (1850, 9997), (2405, 7690), (3845, 4810)]