19681256

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12119}}^1$

素因数の和:12161

約数の個数: 32

約数和(自身を含む): 43632000

約数和(自身を除く): 23950744

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 12119, 24238, 48476, 84833, 96952, 169666, 339332, 351451, 678664, 702902, 1405804, 2460157, 2811608, 4920314, 9840628, 19681256]

約数ペア:

[(1, 19681256), (2, 9840628), (4, 4920314), (7, 2811608), (8, 2460157), (14, 1405804), (28, 702902), (29, 678664), (56, 351451), (58, 339332), (116, 169666), (203, 96952), (232, 84833), (406, 48476), (812, 24238), (1624, 12119)]