18212425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9461}}^1$

素因数の和:9489

約数の個数: 24

約数和(自身を含む): 28158912

約数和(自身を除く): 9946487

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 9461, 47305, 66227, 104071, 236525, 331135, 520355, 728497, 1655675, 2601775, 3642485, 18212425]

約数ペア:

[(1, 18212425), (5, 3642485), (7, 2601775), (11, 1655675), (25, 728497), (35, 520355), (55, 331135), (77, 236525), (175, 104071), (275, 66227), (385, 47305), (1925, 9461)]