19354839

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{4133}}^1$

素因数の和:4366

約数の個数: 16

約数和(自身を含む): 29632512

約数和(自身を除く): 10277673

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4133, 4683, 12399, 28931, 86793, 921659, 2764977, 6451613, 19354839]

約数ペア:

[(1, 19354839), (3, 6451613), (7, 2764977), (21, 921659), (223, 86793), (669, 28931), (1561, 12399), (4133, 4683)]