18264939

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2137}}^1$

素因数の和:2195

約数の個数: 32

約数和(自身を含む): 31197696

約数和(自身を除く): 12932757

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2137, 2849, 6411, 8547, 14959, 23507, 44877, 70521, 79069, 164549, 237207, 493647, 553483, 869759, 1660449, 2609277, 6088313, 18264939]

約数ペア:

[(1, 18264939), (3, 6088313), (7, 2609277), (11, 1660449), (21, 869759), (33, 553483), (37, 493647), (77, 237207), (111, 164549), (231, 79069), (259, 70521), (407, 44877), (777, 23507), (1221, 14959), (2137, 8547), (2849, 6411)]