18065740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11731}}^1$

素因数の和:11758

約数の個数: 48

約数和(自身を含む): 47303424

約数和(自身を除く): 29237684

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 11731, 23462, 46924, 58655, 82117, 117310, 129041, 164234, 234620, 258082, 328468, 410585, 516164, 645205, 821170, 903287, 1290410, 1642340, 1806574, 2580820, 3613148, 4516435, 9032870, 18065740]

約数ペア:

[(1, 18065740), (2, 9032870), (4, 4516435), (5, 3613148), (7, 2580820), (10, 1806574), (11, 1642340), (14, 1290410), (20, 903287), (22, 821170), (28, 645205), (35, 516164), (44, 410585), (55, 328468), (70, 258082), (77, 234620), (110, 164234), (140, 129041), (154, 117310), (220, 82117), (308, 58655), (385, 46924), (770, 23462), (1540, 11731)]