18291229885

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2380121}}^1$

素因数の和:2380208

約数の個数: 16

約数和(自身を含む): 23134785840

約数和(自身を除く): 4843555955

約数列:

[1, 5, 29, 53, 145, 265, 1537, 7685, 2380121, 11900605, 69023509, 126146413, 345117545, 630732065, 3658245977, 18291229885]

約数ペア:

[(1, 18291229885), (5, 3658245977), (29, 630732065), (53, 345117545), (145, 126146413), (265, 69023509), (1537, 11900605), (7685, 2380121)]