19802590

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48299}}^1$

素因数の和:48347

約数の個数: 16

約数和(自身を含む): 36514800

約数和(自身を除く): 16712210

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 48299, 96598, 241495, 482990, 1980259, 3960518, 9901295, 19802590]

約数ペア:

[(1, 19802590), (2, 9901295), (5, 3960518), (10, 1980259), (41, 482990), (82, 241495), (205, 96598), (410, 48299)]