18157578

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 39172896

約数和(自身を除く): 21015318

約数列:

[1, 2, 3, 6, 19, 38, 57, 83, 101, 114, 166, 202, 249, 303, 361, 498, 606, 722, 1083, 1577, 1919, 2166, 3154, 3838, 4731, 5757, 8383, 9462, 11514, 16766, 25149, 29963, 36461, 50298, 59926, 72922, 89889, 109383, 159277, 179778, 218766, 318554, 477831, 955662, 3026263, 6052526, 9078789, 18157578]

約数ペア:

[(1, 18157578), (2, 9078789), (3, 6052526), (6, 3026263), (19, 955662), (38, 477831), (57, 318554), (83, 218766), (101, 179778), (114, 159277), (166, 109383), (202, 89889), (249, 72922), (303, 59926), (361, 50298), (498, 36461), (606, 29963), (722, 25149), (1083, 16766), (1577, 11514), (1919, 9462), (2166, 8383), (3154, 5757), (3838, 4731)]