19912155

素因数分解:

$3^1\times 5^1\times {\mathrm{569}}^1\times {\mathrm{2333}}^1$

素因数の和:2910

約数の個数: 16

約数和(自身を含む): 31929120

約数和(自身を除く): 12016965

約数列:

[1, 3, 5, 15, 569, 1707, 2333, 2845, 6999, 8535, 11665, 34995, 1327477, 3982431, 6637385, 19912155]

約数ペア:

[(1, 19912155), (3, 6637385), (5, 3982431), (15, 1327477), (569, 34995), (1707, 11665), (2333, 8535), (2845, 6999)]