18554228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{563}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 40932864

約数和(自身を除く): 22378636

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 107, 154, 214, 308, 428, 563, 749, 1126, 1177, 1498, 2252, 2354, 2996, 3941, 4708, 6193, 7882, 8239, 12386, 15764, 16478, 24772, 32956, 43351, 60241, 86702, 120482, 173404, 240964, 421687, 662651, 843374, 1325302, 1686748, 2650604, 4638557, 9277114, 18554228]

約数ペア:

[(1, 18554228), (2, 9277114), (4, 4638557), (7, 2650604), (11, 1686748), (14, 1325302), (22, 843374), (28, 662651), (44, 421687), (77, 240964), (107, 173404), (154, 120482), (214, 86702), (308, 60241), (428, 43351), (563, 32956), (749, 24772), (1126, 16478), (1177, 15764), (1498, 12386), (2252, 8239), (2354, 7882), (2996, 6193), (3941, 4708)]