15405428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3323}}^1$

素因数の和:3407

約数の個数: 24

約数和(自身を含む): 28852320

約数和(自身を除く): 13446892

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 3323, 4636, 6646, 13292, 63137, 126274, 202703, 252548, 405406, 810812, 3851357, 7702714, 15405428]

約数ペア:

[(1, 15405428), (2, 7702714), (4, 3851357), (19, 810812), (38, 405406), (61, 252548), (76, 202703), (122, 126274), (244, 63137), (1159, 13292), (2318, 6646), (3323, 4636)]