19886770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{116981}}^1$

素因数の和:117005

約数の個数: 16

約数和(自身を含む): 37902168

約数和(自身を除く): 18015398

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 116981, 233962, 584905, 1169810, 1988677, 3977354, 9943385, 19886770]

約数ペア:

[(1, 19886770), (2, 9943385), (5, 3977354), (10, 1988677), (17, 1169810), (34, 584905), (85, 233962), (170, 116981)]