19398214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{2221}}^1$

素因数の和:2631

約数の個数: 16

約数和(自身を含む): 31836816

約数和(自身を除く): 12438602

約数列:

[1, 2, 11, 22, 397, 794, 2221, 4367, 4442, 8734, 24431, 48862, 881737, 1763474, 9699107, 19398214]

約数ペア:

[(1, 19398214), (2, 9699107), (11, 1763474), (22, 881737), (397, 48862), (794, 24431), (2221, 8734), (4367, 4442)]