18912992

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3671}}^1$

素因数の和:3711

約数の個数: 48

約数和(自身を含む): 44416512

約数和(自身を除く): 25503520

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 3671, 5152, 7342, 14684, 25697, 29368, 51394, 58736, 84433, 102788, 117472, 168866, 205576, 337732, 411152, 591031, 675464, 822304, 1182062, 1350928, 2364124, 2701856, 4728248, 9456496, 18912992]

約数ペア:

[(1, 18912992), (2, 9456496), (4, 4728248), (7, 2701856), (8, 2364124), (14, 1350928), (16, 1182062), (23, 822304), (28, 675464), (32, 591031), (46, 411152), (56, 337732), (92, 205576), (112, 168866), (161, 117472), (184, 102788), (224, 84433), (322, 58736), (368, 51394), (644, 29368), (736, 25697), (1288, 14684), (2576, 7342), (3671, 5152)]