18702935984

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{571}}^1\times {\mathrm{20269}}^1$

素因数の和:20949

約数の個数: 40

約数和(自身を含む): 36661619280

約数和(自身を除く): 17958683296

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 571, 808, 1142, 1616, 2284, 4568, 9136, 20269, 40538, 57671, 81076, 115342, 162152, 230684, 324304, 461368, 922736, 2047169, 4094338, 8188676, 11573599, 16377352, 23147198, 32754704, 46294396, 92588792, 185177584, 1168933499, 2337866998, 4675733996, 9351467992, 18702935984]

約数ペア:

[(1, 18702935984), (2, 9351467992), (4, 4675733996), (8, 2337866998), (16, 1168933499), (101, 185177584), (202, 92588792), (404, 46294396), (571, 32754704), (808, 23147198), (1142, 16377352), (1616, 11573599), (2284, 8188676), (4568, 4094338), (9136, 2047169), (20269, 922736), (40538, 461368), (57671, 324304), (81076, 230684), (115342, 162152)]