18717069

素因数分解:

$3^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 29251488

約数和(自身を除く): 10534419

約数列:

[1, 3, 7, 21, 49, 147, 157, 471, 811, 1099, 2433, 3297, 5677, 7693, 17031, 23079, 39739, 119217, 127327, 381981, 891289, 2673867, 6239023, 18717069]

約数ペア:

[(1, 18717069), (3, 6239023), (7, 2673867), (21, 891289), (49, 381981), (147, 127327), (157, 119217), (471, 39739), (811, 23079), (1099, 17031), (2433, 7693), (3297, 5677)]