18390369

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3853}}^1$

素因数の和:3936

約数の個数: 16

約数和(自身を含む): 25775552

約数和(自身を除く): 7385183

約数列:

[1, 3, 37, 43, 111, 129, 1591, 3853, 4773, 11559, 142561, 165679, 427683, 497037, 6130123, 18390369]

約数ペア:

[(1, 18390369), (3, 6130123), (37, 497037), (43, 427683), (111, 165679), (129, 142561), (1591, 11559), (3853, 4773)]