18290913

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1\times {\mathrm{449}}^1$

素因数の和:856

約数の個数: 16

約数和(自身を含む): 25171200

約数和(自身を除く): 6880287

約数列:

[1, 3, 37, 111, 367, 449, 1101, 1347, 13579, 16613, 40737, 49839, 164783, 494349, 6096971, 18290913]

約数ペア:

[(1, 18290913), (3, 6096971), (37, 494349), (111, 164783), (367, 49839), (449, 40737), (1101, 16613), (1347, 13579)]