19639930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5023}}^1$

素因数の和:5070

約数の個数: 32

約数和(自身を含む): 39066624

約数和(自身を除く): 19426694

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5023, 10046, 25115, 50230, 85391, 115529, 170782, 231058, 426955, 577645, 853910, 1155290, 1963993, 3927986, 9819965, 19639930]

約数ペア:

[(1, 19639930), (2, 9819965), (5, 3927986), (10, 1963993), (17, 1155290), (23, 853910), (34, 577645), (46, 426955), (85, 231058), (115, 170782), (170, 115529), (230, 85391), (391, 50230), (782, 25115), (1955, 10046), (3910, 5023)]