19937104

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113279}}^1$

素因数の和:113298

約数の個数: 20

約数和(自身を含む): 42140160

約数和(自身を除く): 22203056

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113279, 226558, 453116, 906232, 1246069, 1812464, 2492138, 4984276, 9968552, 19937104]

約数ペア:

[(1, 19937104), (2, 9968552), (4, 4984276), (8, 2492138), (11, 1812464), (16, 1246069), (22, 906232), (44, 453116), (88, 226558), (176, 113279)]