18153938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 30820608

約数和(自身を除く): 12666670

約数列:

[1, 2, 11, 22, 47, 94, 97, 181, 194, 362, 517, 1034, 1067, 1991, 2134, 3982, 4559, 8507, 9118, 17014, 17557, 35114, 50149, 93577, 100298, 187154, 193127, 386254, 825179, 1650358, 9076969, 18153938]

約数ペア:

[(1, 18153938), (2, 9076969), (11, 1650358), (22, 825179), (47, 386254), (94, 193127), (97, 187154), (181, 100298), (194, 93577), (362, 50149), (517, 35114), (1034, 17557), (1067, 17014), (1991, 9118), (2134, 8507), (3982, 4559)]