19307205

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5431}}^1$

素因数の和:5521

約数の個数: 24

約数和(自身を含む): 33895680

約数和(自身を除く): 14588475

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 5431, 16293, 27155, 48879, 81465, 244395, 429049, 1287147, 2145245, 3861441, 6435735, 19307205]

約数ペア:

[(1, 19307205), (3, 6435735), (5, 3861441), (9, 2145245), (15, 1287147), (45, 429049), (79, 244395), (237, 81465), (395, 48879), (711, 27155), (1185, 16293), (3555, 5431)]