18415345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3881}}^1$

素因数の和:3972

約数の個数: 16

約数和(自身を含む): 24130512

約数和(自身を除く): 5715167

約数列:

[1, 5, 13, 65, 73, 365, 949, 3881, 4745, 19405, 50453, 252265, 283313, 1416565, 3683069, 18415345]

約数ペア:

[(1, 18415345), (5, 3683069), (13, 1416565), (65, 283313), (73, 252265), (365, 50453), (949, 19405), (3881, 4745)]