19386410

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^2\times {\mathrm{521}}^1$

素因数の和:650

約数の個数: 24

約数和(自身を含む): 35545068

約数和(自身を除く): 16158658

約数列:

[1, 2, 5, 10, 61, 122, 305, 521, 610, 1042, 2605, 3721, 5210, 7442, 18605, 31781, 37210, 63562, 158905, 317810, 1938641, 3877282, 9693205, 19386410]

約数ペア:

[(1, 19386410), (2, 9693205), (5, 3877282), (10, 1938641), (61, 317810), (122, 158905), (305, 63562), (521, 37210), (610, 31781), (1042, 18605), (2605, 7442), (3721, 5210)]