18748405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1367}}^1$

素因数の和:1596

約数の個数: 16

約数和(自身を含む): 24361344

約数和(自身を除く): 5612939

約数列:

[1, 5, 13, 65, 211, 1055, 1367, 2743, 6835, 13715, 17771, 88855, 288437, 1442185, 3749681, 18748405]

約数ペア:

[(1, 18748405), (5, 3749681), (13, 1442185), (65, 288437), (211, 88855), (1055, 17771), (1367, 13715), (2743, 6835)]