17969999870

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4393643}}^1$

素因数の和:4394059

約数の個数: 16

約数和(自身を含む): 32425092720

約数和(自身を除く): 14455092850

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 4393643, 8787286, 21968215, 43936430, 1796999987, 3593999974, 8984999935, 17969999870]

約数ペア:

[(1, 17969999870), (2, 8984999935), (5, 3593999974), (10, 1796999987), (409, 43936430), (818, 21968215), (2045, 8787286), (4090, 4393643)]