18621836

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{457}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 33393696

約数和(自身を除く): 14771860

約数列:

[1, 2, 4, 61, 122, 167, 244, 334, 457, 668, 914, 1828, 10187, 20374, 27877, 40748, 55754, 76319, 111508, 152638, 305276, 4655459, 9310918, 18621836]

約数ペア:

[(1, 18621836), (2, 9310918), (4, 4655459), (61, 305276), (122, 152638), (167, 111508), (244, 76319), (334, 55754), (457, 40748), (668, 27877), (914, 20374), (1828, 10187)]