19921905

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8353}}^1$

素因数の和:8417

約数の個数: 24

約数和(自身を含む): 35187048

約数和(自身を除く): 15265143

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 8353, 25059, 41765, 75177, 125295, 375885, 442709, 1328127, 2213545, 3984381, 6640635, 19921905]

約数ペア:

[(1, 19921905), (3, 6640635), (5, 3984381), (9, 2213545), (15, 1328127), (45, 442709), (53, 375885), (159, 125295), (265, 75177), (477, 41765), (795, 25059), (2385, 8353)]