18631480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{66541}}^1$

素因数の和:66559

約数の個数: 32

約数和(自身を含む): 47910240

約数和(自身を除く): 29278760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 66541, 133082, 266164, 332705, 465787, 532328, 665410, 931574, 1330820, 1863148, 2328935, 2661640, 3726296, 4657870, 9315740, 18631480]

約数ペア:

[(1, 18631480), (2, 9315740), (4, 4657870), (5, 3726296), (7, 2661640), (8, 2328935), (10, 1863148), (14, 1330820), (20, 931574), (28, 665410), (35, 532328), (40, 465787), (56, 332705), (70, 266164), (140, 133082), (280, 66541)]