18972808

素因数分解:

$2^3\times {\mathrm{313}}^1\times {\mathrm{7577}}^1$

素因数の和:7896

約数の個数: 16

約数和(自身を含む): 35692380

約数和(自身を除く): 16719572

約数列:

[1, 2, 4, 8, 313, 626, 1252, 2504, 7577, 15154, 30308, 60616, 2371601, 4743202, 9486404, 18972808]

約数ペア:

[(1, 18972808), (2, 9486404), (4, 4743202), (8, 2371601), (313, 60616), (626, 30308), (1252, 15154), (2504, 7577)]