18217295

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1697}}^1$

素因数の和:1834

約数の個数: 16

約数和(自身を含む): 23228640

約数和(自身を除く): 5011345

約数列:

[1, 5, 19, 95, 113, 565, 1697, 2147, 8485, 10735, 32243, 161215, 191761, 958805, 3643459, 18217295]

約数ペア:

[(1, 18217295), (5, 3643459), (19, 958805), (95, 191761), (113, 161215), (565, 32243), (1697, 10735), (2147, 8485)]