18493783

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12641}}^1$

素因数の和:12678

約数の個数: 16

約数和(自身を含む): 24272640

約数和(自身を除く): 5778857

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 12641, 88487, 139051, 240179, 973357, 1681253, 2641969, 18493783]

約数ペア:

[(1, 18493783), (7, 2641969), (11, 1681253), (19, 973357), (77, 240179), (133, 139051), (209, 88487), (1463, 12641)]