2018139905

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{18797}}^1$

素因数の和:19108

約数の個数: 16

約数和(自身を含む): 2456522640

約数和(自身を除く): 438382735

約数列:

[1, 5, 109, 197, 545, 985, 18797, 21473, 93985, 107365, 2048873, 3703009, 10244365, 18515045, 403627981, 2018139905]

約数ペア:

[(1, 2018139905), (5, 403627981), (109, 18515045), (197, 10244365), (545, 3703009), (985, 2048873), (18797, 107365), (21473, 93985)]