18488405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{617}}^1$

素因数の和:1096

約数の個数: 16

約数和(自身を含む): 23983344

約数和(自身を除く): 5494939

約数列:

[1, 5, 13, 65, 461, 617, 2305, 3085, 5993, 8021, 29965, 40105, 284437, 1422185, 3697681, 18488405]

約数ペア:

[(1, 18488405), (5, 3697681), (13, 1422185), (65, 284437), (461, 40105), (617, 29965), (2305, 8021), (3085, 5993)]