18159933

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 9418947

約数列:

[1, 3, 11, 33, 37, 107, 111, 139, 321, 407, 417, 1177, 1221, 1529, 3531, 3959, 4587, 5143, 11877, 14873, 15429, 43549, 44619, 56573, 130647, 163603, 169719, 490809, 550301, 1650903, 6053311, 18159933]

約数ペア:

[(1, 18159933), (3, 6053311), (11, 1650903), (33, 550301), (37, 490809), (107, 169719), (111, 163603), (139, 130647), (321, 56573), (407, 44619), (417, 43549), (1177, 15429), (1221, 14873), (1529, 11877), (3531, 5143), (3959, 4587)]