19191085

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1531}}^1$

素因数の和:1668

約数の個数: 16

約数和(自身を含む): 24266880

約数和(自身を除く): 5075795

約数列:

[1, 5, 23, 109, 115, 545, 1531, 2507, 7655, 12535, 35213, 166879, 176065, 834395, 3838217, 19191085]

約数ペア:

[(1, 19191085), (5, 3838217), (23, 834395), (109, 176065), (115, 166879), (545, 35213), (1531, 12535), (2507, 7655)]