19621388

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2003}}^1$

素因数の和:2117

約数の個数: 24

約数和(自身を含む): 35911680

約数和(自身を除く): 16290292

約数列:

[1, 2, 4, 31, 62, 79, 124, 158, 316, 2003, 2449, 4006, 4898, 8012, 9796, 62093, 124186, 158237, 248372, 316474, 632948, 4905347, 9810694, 19621388]

約数ペア:

[(1, 19621388), (2, 9810694), (4, 4905347), (31, 632948), (62, 316474), (79, 248372), (124, 158237), (158, 124186), (316, 62093), (2003, 9796), (2449, 8012), (4006, 4898)]