19555450

素因数分解:

$2^1\times 5^2\times {\mathrm{421}}^1\times {\mathrm{929}}^1$

素因数の和:1362

約数の個数: 24

約数和(自身を含む): 36498780

約数和(自身を除く): 16943330

約数列:

[1, 2, 5, 10, 25, 50, 421, 842, 929, 1858, 2105, 4210, 4645, 9290, 10525, 21050, 23225, 46450, 391109, 782218, 1955545, 3911090, 9777725, 19555450]

約数ペア:

[(1, 19555450), (2, 9777725), (5, 3911090), (10, 1955545), (25, 782218), (50, 391109), (421, 46450), (842, 23225), (929, 21050), (1858, 10525), (2105, 9290), (4210, 4645)]