19889050

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{6521}}^1$

素因数の和:6594

約数の個数: 24

約数和(自身を含む): 37605852

約数和(自身を除く): 17716802

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 305, 610, 1525, 3050, 6521, 13042, 32605, 65210, 163025, 326050, 397781, 795562, 1988905, 3977810, 9944525, 19889050]

約数ペア:

[(1, 19889050), (2, 9944525), (5, 3977810), (10, 1988905), (25, 795562), (50, 397781), (61, 326050), (122, 163025), (305, 65210), (610, 32605), (1525, 13042), (3050, 6521)]