19856199

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{26161}}^1$

素因数の和:26198

約数の個数: 16

約数和(自身を含む): 30138624

約数和(自身を除く): 10282425

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 26161, 78483, 287771, 601703, 863313, 1805109, 6618733, 19856199]

約数ペア:

[(1, 19856199), (3, 6618733), (11, 1805109), (23, 863313), (33, 601703), (69, 287771), (253, 78483), (759, 26161)]