18042665

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{311}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 22329216

約数和(自身を除く): 4286551

約数列:

[1, 5, 41, 205, 283, 311, 1415, 1555, 11603, 12751, 58015, 63755, 88013, 440065, 3608533, 18042665]

約数ペア:

[(1, 18042665), (5, 3608533), (41, 440065), (205, 88013), (283, 63755), (311, 58015), (1415, 12751), (1555, 11603)]