18629240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{66533}}^1$

素因数の和:66551

約数の個数: 32

約数和(自身を含む): 47904480

約数和(自身を除く): 29275240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 66533, 133066, 266132, 332665, 465731, 532264, 665330, 931462, 1330660, 1862924, 2328655, 2661320, 3725848, 4657310, 9314620, 18629240]

約数ペア:

[(1, 18629240), (2, 9314620), (4, 4657310), (5, 3725848), (7, 2661320), (8, 2328655), (10, 1862924), (14, 1330660), (20, 931462), (28, 665330), (35, 532264), (40, 465731), (56, 332665), (70, 266132), (140, 133066), (280, 66533)]