18742797

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2549}}^1$

素因数の和:2617

約数の個数: 24

約数和(自身を含む): 29172000

約数和(自身を除く): 10429203

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 2549, 7353, 7647, 22941, 48431, 109607, 145293, 328821, 435879, 986463, 2082533, 6247599, 18742797]

約数ペア:

[(1, 18742797), (3, 6247599), (9, 2082533), (19, 986463), (43, 435879), (57, 328821), (129, 145293), (171, 109607), (387, 48431), (817, 22941), (2451, 7647), (2549, 7353)]