18908241

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 28643328

約数和(自身を除く): 9735087

約数列:

[1, 3, 11, 33, 47, 73, 141, 167, 219, 501, 517, 803, 1551, 1837, 2409, 3431, 5511, 7849, 10293, 12191, 23547, 36573, 37741, 86339, 113223, 134101, 259017, 402303, 572977, 1718931, 6302747, 18908241]

約数ペア:

[(1, 18908241), (3, 6302747), (11, 1718931), (33, 572977), (47, 402303), (73, 259017), (141, 134101), (167, 113223), (219, 86339), (501, 37741), (517, 36573), (803, 23547), (1551, 12191), (1837, 10293), (2409, 7849), (3431, 5511)]