18650660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1319}}^1$

素因数の和:1436

約数の個数: 48

約数和(自身を含む): 45239040

約数和(自身を除く): 26588380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1319, 1414, 2020, 2638, 2828, 3535, 5276, 6595, 7070, 9233, 13190, 14140, 18466, 26380, 36932, 46165, 92330, 133219, 184660, 266438, 532876, 666095, 932533, 1332190, 1865066, 2664380, 3730132, 4662665, 9325330, 18650660]

約数ペア:

[(1, 18650660), (2, 9325330), (4, 4662665), (5, 3730132), (7, 2664380), (10, 1865066), (14, 1332190), (20, 932533), (28, 666095), (35, 532876), (70, 266438), (101, 184660), (140, 133219), (202, 92330), (404, 46165), (505, 36932), (707, 26380), (1010, 18466), (1319, 14140), (1414, 13190), (2020, 9233), (2638, 7070), (2828, 6595), (3535, 5276)]