17791460

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2113}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 37468536

約数和(自身を除く): 19677076

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 2113, 4210, 4226, 8420, 8452, 10565, 21130, 42260, 889573, 1779146, 3558292, 4447865, 8895730, 17791460]

約数ペア:

[(1, 17791460), (2, 8895730), (4, 4447865), (5, 3558292), (10, 1779146), (20, 889573), (421, 42260), (842, 21130), (1684, 10565), (2105, 8452), (2113, 8420), (4210, 4226)]