18888546

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{743}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 39997440

約数和(自身を除く): 21108894

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 223, 446, 669, 743, 1338, 1486, 2229, 4237, 4458, 8474, 12711, 14117, 25422, 28234, 42351, 84702, 165689, 331378, 497067, 994134, 3148091, 6296182, 9444273, 18888546]

約数ペア:

[(1, 18888546), (2, 9444273), (3, 6296182), (6, 3148091), (19, 994134), (38, 497067), (57, 331378), (114, 165689), (223, 84702), (446, 42351), (669, 28234), (743, 25422), (1338, 14117), (1486, 12711), (2229, 8474), (4237, 4458)]