19639624

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{144409}}^1$

素因数の和:144432

約数の個数: 16

約数和(自身を含む): 38990700

約数和(自身を除く): 19351076

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 144409, 288818, 577636, 1155272, 2454953, 4909906, 9819812, 19639624]

約数ペア:

[(1, 19639624), (2, 9819812), (4, 4909906), (8, 2454953), (17, 1155272), (34, 577636), (68, 288818), (136, 144409)]