18496405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1723}}^1$

素因数の和:1860

約数の個数: 16

約数和(自身を含む): 23584320

約数和(自身を除く): 5087915

約数列:

[1, 5, 19, 95, 113, 565, 1723, 2147, 8615, 10735, 32737, 163685, 194699, 973495, 3699281, 18496405]

約数ペア:

[(1, 18496405), (5, 3699281), (19, 973495), (95, 194699), (113, 163685), (565, 32737), (1723, 10735), (2147, 8615)]