19266995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2557}}^1$

素因数の和:2710

約数の個数: 16

約数和(自身を含む): 25416288

約数和(自身を除く): 6149293

約数列:

[1, 5, 11, 55, 137, 685, 1507, 2557, 7535, 12785, 28127, 140635, 350309, 1751545, 3853399, 19266995]

約数ペア:

[(1, 19266995), (5, 3853399), (11, 1751545), (55, 350309), (137, 140635), (685, 28127), (1507, 12785), (2557, 7535)]