17887780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{30841}}^1$

素因数の和:30879

約数の個数: 24

約数和(自身を含む): 38860920

約数和(自身を除く): 20973140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 30841, 61682, 123364, 154205, 308410, 616820, 894389, 1788778, 3577556, 4471945, 8943890, 17887780]

約数ペア:

[(1, 17887780), (2, 8943890), (4, 4471945), (5, 3577556), (10, 1788778), (20, 894389), (29, 616820), (58, 308410), (116, 154205), (145, 123364), (290, 61682), (580, 30841)]