19626886

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{1301}}^1$

素因数の和:1719

約数の個数: 16

約数和(自身を含む): 31091760

約数和(自身を除く): 11464874

約数列:

[1, 2, 19, 38, 397, 794, 1301, 2602, 7543, 15086, 24719, 49438, 516497, 1032994, 9813443, 19626886]

約数ペア:

[(1, 19626886), (2, 9813443), (19, 1032994), (38, 516497), (397, 49438), (794, 24719), (1301, 15086), (2602, 7543)]