20183218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{5303}}^1$

素因数の和:5489

約数の個数: 16

約数和(自身を含む): 33224256

約数和(自身を除く): 13041038

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 5303, 10606, 58333, 116666, 917419, 1834838, 10091609, 20183218]

約数ペア:

[(1, 20183218), (2, 10091609), (11, 1834838), (22, 917419), (173, 116666), (346, 58333), (1903, 10606), (3806, 5303)]