19443809

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10979}}^1$

素因数の和:11020

約数の個数: 16

約数和(自身を含む): 25297920

約数和(自身を除く): 5854111

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 10979, 76853, 120769, 252517, 845383, 1767619, 2777687, 19443809]

約数ペア:

[(1, 19443809), (7, 2777687), (11, 1767619), (23, 845383), (77, 252517), (161, 120769), (253, 76853), (1771, 10979)]