19999832

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{67567}}^1$

素因数の和:67610

約数の個数: 16

約数和(自身を含む): 38513760

約数和(自身を除く): 18513928

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 67567, 135134, 270268, 540536, 2499979, 4999958, 9999916, 19999832]

約数ペア:

[(1, 19999832), (2, 9999916), (4, 4999958), (8, 2499979), (37, 540536), (74, 270268), (148, 135134), (296, 67567)]