18957805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{823}}^1$

素因数の和:1116

約数の個数: 16

約数和(自身を含む): 24205824

約数和(自身を除く): 5248019

約数列:

[1, 5, 17, 85, 271, 823, 1355, 4115, 4607, 13991, 23035, 69955, 223033, 1115165, 3791561, 18957805]

約数ペア:

[(1, 18957805), (5, 3791561), (17, 1115165), (85, 223033), (271, 69955), (823, 23035), (1355, 13991), (4115, 4607)]