18245785

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{5471}}^1$

素因数の和:5528

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 5393255

約数列:

[1, 5, 23, 29, 115, 145, 667, 3335, 5471, 27355, 125833, 158659, 629165, 793295, 3649157, 18245785]

約数ペア:

[(1, 18245785), (5, 3649157), (23, 793295), (29, 629165), (115, 158659), (145, 125833), (667, 27355), (3335, 5471)]