18721802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{44789}}^1$

素因数の和:44821

約数の個数: 16

約数和(自身を含む): 32248800

約数和(自身を除く): 13526998

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 44789, 89578, 492679, 850991, 985358, 1701982, 9360901, 18721802]

約数ペア:

[(1, 18721802), (2, 9360901), (11, 1701982), (19, 985358), (22, 850991), (38, 492679), (209, 89578), (418, 44789)]