18811250

素因数分解:

$2^1\times 5^4\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 40

約数和(自身を含む): 35847900

約数和(自身を除く): 17036650

約数列:

[1, 2, 5, 10, 25, 50, 101, 125, 149, 202, 250, 298, 505, 625, 745, 1010, 1250, 1490, 2525, 3725, 5050, 7450, 12625, 15049, 18625, 25250, 30098, 37250, 63125, 75245, 93125, 126250, 150490, 186250, 376225, 752450, 1881125, 3762250, 9405625, 18811250]

約数ペア:

[(1, 18811250), (2, 9405625), (5, 3762250), (10, 1881125), (25, 752450), (50, 376225), (101, 186250), (125, 150490), (149, 126250), (202, 93125), (250, 75245), (298, 63125), (505, 37250), (625, 30098), (745, 25250), (1010, 18625), (1250, 15049), (1490, 12625), (2525, 7450), (3725, 5050)]