18789230

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4463}}^1$

素因数の和:4891

約数の個数: 16

約数和(自身を含む): 33908544

約数和(自身を除く): 15119314

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 4463, 8926, 22315, 44630, 1878923, 3757846, 9394615, 18789230]

約数ペア:

[(1, 18789230), (2, 9394615), (5, 3757846), (10, 1878923), (421, 44630), (842, 22315), (2105, 8926), (4210, 4463)]