18915528027

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1167409}}^1$

素因数の和:1167914

約数の個数: 16

約数和(自身を含む): 27569554560

約数和(自身を除く): 8654026533

約数列:

[1, 3, 11, 33, 491, 1473, 5401, 16203, 1167409, 3502227, 12841499, 38524497, 573197819, 1719593457, 6305176009, 18915528027]

約数ペア:

[(1, 18915528027), (3, 6305176009), (11, 1719593457), (33, 573197819), (491, 38524497), (1473, 12841499), (5401, 3502227), (16203, 1167409)]