18838323

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4463}}^1$

素因数の和:4543

約数の個数: 24

約数和(自身を含む): 31569408

約数和(自身を除く): 12731085

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 4463, 13389, 31241, 40167, 93723, 281169, 299021, 897063, 2093147, 2691189, 6279441, 18838323]

約数ペア:

[(1, 18838323), (3, 6279441), (7, 2691189), (9, 2093147), (21, 897063), (63, 299021), (67, 281169), (201, 93723), (469, 40167), (603, 31241), (1407, 13389), (4221, 4463)]