19759766

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1663}}^1$

素因数の和:2135

約数の個数: 16

約数和(自身を含む): 32008704

約数和(自身を除く): 12248938

約数列:

[1, 2, 13, 26, 457, 914, 1663, 3326, 5941, 11882, 21619, 43238, 759991, 1519982, 9879883, 19759766]

約数ペア:

[(1, 19759766), (2, 9879883), (13, 1519982), (26, 759991), (457, 43238), (914, 21619), (1663, 11882), (3326, 5941)]