19443680

素因数分解:

$2^5\times 5^1\times {\mathrm{121523}}^1$

素因数の和:121538

約数の個数: 24

約数和(自身を含む): 45936072

約数和(自身を除く): 26492392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 121523, 243046, 486092, 607615, 972184, 1215230, 1944368, 2430460, 3888736, 4860920, 9721840, 19443680]

約数ペア:

[(1, 19443680), (2, 9721840), (4, 4860920), (5, 3888736), (8, 2430460), (10, 1944368), (16, 1215230), (20, 972184), (32, 607615), (40, 486092), (80, 243046), (160, 121523)]