19743580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13523}}^1$

素因数の和:13605

約数の個数: 24

約数和(自身を含む): 42032592

約数和(自身を除く): 22289012

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13523, 27046, 54092, 67615, 135230, 270460, 987179, 1974358, 3948716, 4935895, 9871790, 19743580]

約数ペア:

[(1, 19743580), (2, 9871790), (4, 4935895), (5, 3948716), (10, 1974358), (20, 987179), (73, 270460), (146, 135230), (292, 67615), (365, 54092), (730, 27046), (1460, 13523)]