19915128

素因数分解:

$2^3\times 3^2\times {\mathrm{276599}}^1$

素因数の和:276611

約数の個数: 24

約数和(自身を含む): 53937000

約数和(自身を除く): 34021872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 276599, 553198, 829797, 1106396, 1659594, 2212792, 2489391, 3319188, 4978782, 6638376, 9957564, 19915128]

約数ペア:

[(1, 19915128), (2, 9957564), (3, 6638376), (4, 4978782), (6, 3319188), (8, 2489391), (9, 2212792), (12, 1659594), (18, 1106396), (24, 829797), (36, 553198), (72, 276599)]