18641356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4021}}^1$

素因数の和:4105

約数の個数: 24

約数和(自身を含む): 34910960

約数和(自身を除く): 16269604

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4021, 4636, 8042, 16084, 76399, 152798, 245281, 305596, 490562, 981124, 4660339, 9320678, 18641356]

約数ペア:

[(1, 18641356), (2, 9320678), (4, 4660339), (19, 981124), (38, 490562), (61, 305596), (76, 245281), (122, 152798), (244, 76399), (1159, 16084), (2318, 8042), (4021, 4636)]