18121805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3359}}^1$

素因数の和:3460

約数の個数: 16

約数和(自身を含む): 23708160

約数和(自身を除く): 5586355

約数列:

[1, 5, 13, 65, 83, 415, 1079, 3359, 5395, 16795, 43667, 218335, 278797, 1393985, 3624361, 18121805]

約数ペア:

[(1, 18121805), (5, 3624361), (13, 1393985), (65, 278797), (83, 218335), (415, 43667), (1079, 16795), (3359, 5395)]