19895644

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{12721}}^1$

素因数の和:12765

約数の個数: 24

約数和(自身を含む): 38471328

約数和(自身を除く): 18575684

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564, 12721, 25442, 50884, 216257, 292583, 432514, 585166, 865028, 1170332, 4973911, 9947822, 19895644]

約数ペア:

[(1, 19895644), (2, 9947822), (4, 4973911), (17, 1170332), (23, 865028), (34, 585166), (46, 432514), (68, 292583), (92, 216257), (391, 50884), (782, 25442), (1564, 12721)]