18902554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 32078592

約数和(自身を除く): 13176038

約数列:

[1, 2, 11, 22, 47, 94, 101, 181, 202, 362, 517, 1034, 1111, 1991, 2222, 3982, 4747, 8507, 9494, 17014, 18281, 36562, 52217, 93577, 104434, 187154, 201091, 402182, 859207, 1718414, 9451277, 18902554]

約数ペア:

[(1, 18902554), (2, 9451277), (11, 1718414), (22, 859207), (47, 402182), (94, 201091), (101, 187154), (181, 104434), (202, 93577), (362, 52217), (517, 36562), (1034, 18281), (1111, 17014), (1991, 9494), (2222, 8507), (3982, 4747)]