18898690

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^2\times {\mathrm{421}}^1$

素因数の和:562

約数の個数: 24

約数和(自身を含む): 34614972

約数和(自身を除く): 15716282

約数列:

[1, 2, 5, 10, 67, 134, 335, 421, 670, 842, 2105, 4210, 4489, 8978, 22445, 28207, 44890, 56414, 141035, 282070, 1889869, 3779738, 9449345, 18898690]

約数ペア:

[(1, 18898690), (2, 9449345), (5, 3779738), (10, 1889869), (67, 282070), (134, 141035), (335, 56414), (421, 44890), (670, 28207), (842, 22445), (2105, 8978), (4210, 4489)]