1813306460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{12952189}}^1$

素因数の和:12952205

約数の個数: 24

約数和(自身を含む): 4351935840

約数和(自身を除く): 2538629380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 12952189, 25904378, 51808756, 64760945, 90665323, 129521890, 181330646, 259043780, 362661292, 453326615, 906653230, 1813306460]

約数ペア:

[(1, 1813306460), (2, 906653230), (4, 453326615), (5, 362661292), (7, 259043780), (10, 181330646), (14, 129521890), (20, 90665323), (28, 64760945), (35, 51808756), (70, 25904378), (140, 12952189)]