18676917

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3331}}^1$

素因数の和:3433

約数の個数: 24

約数和(自身を含む): 31187520

約数和(自身を除く): 12510603

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 3331, 5607, 9993, 23317, 29979, 69951, 209853, 296459, 889377, 2075213, 2668131, 6225639, 18676917]

約数ペア:

[(1, 18676917), (3, 6225639), (7, 2668131), (9, 2075213), (21, 889377), (63, 296459), (89, 209853), (267, 69951), (623, 29979), (801, 23317), (1869, 9993), (3331, 5607)]