18675928

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2591}}^1$

素因数の和:2667

約数の個数: 32

約数和(自身を含む): 37791360

約数和(自身を除く): 19115432

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 2591, 3604, 5182, 7208, 10364, 20728, 44047, 88094, 137323, 176188, 274646, 352376, 549292, 1098584, 2334491, 4668982, 9337964, 18675928]

約数ペア:

[(1, 18675928), (2, 9337964), (4, 4668982), (8, 2334491), (17, 1098584), (34, 549292), (53, 352376), (68, 274646), (106, 176188), (136, 137323), (212, 88094), (424, 44047), (901, 20728), (1802, 10364), (2591, 7208), (3604, 5182)]