18699270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8779}}^1$

素因数の和:8860

約数の個数: 32

約数和(自身を含む): 45515520

約数和(自身を除く): 26816250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 8779, 17558, 26337, 43895, 52674, 87790, 131685, 263370, 623309, 1246618, 1869927, 3116545, 3739854, 6233090, 9349635, 18699270]

約数ペア:

[(1, 18699270), (2, 9349635), (3, 6233090), (5, 3739854), (6, 3116545), (10, 1869927), (15, 1246618), (30, 623309), (71, 263370), (142, 131685), (213, 87790), (355, 52674), (426, 43895), (710, 26337), (1065, 17558), (2130, 8779)]