19663886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{6823}}^1$

素因数の和:6967

約数の個数: 16

約数和(自身を含む): 32427648

約数和(自身を除く): 12763762

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 6823, 13646, 75053, 150106, 893813, 1787626, 9831943, 19663886]

約数ペア:

[(1, 19663886), (2, 9831943), (11, 1787626), (22, 893813), (131, 150106), (262, 75053), (1441, 13646), (2882, 6823)]