19394405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1231}}^1$

素因数の和:1396

約数の個数: 16

約数和(自身を含む): 24482304

約数和(自身を除く): 5087899

約数列:

[1, 5, 23, 115, 137, 685, 1231, 3151, 6155, 15755, 28313, 141565, 168647, 843235, 3878881, 19394405]

約数ペア:

[(1, 19394405), (5, 3878881), (23, 843235), (115, 168647), (137, 141565), (685, 28313), (1231, 15755), (3151, 6155)]