18915528068

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{19571}}^1$

素因数の和:19772

約数の個数: 48

約数和(自身を含む): 34801208064

約数和(自身を除く): 15885679996

約数列:

[1, 2, 4, 47, 53, 94, 97, 106, 188, 194, 212, 388, 2491, 4559, 4982, 5141, 9118, 9964, 10282, 18236, 19571, 20564, 39142, 78284, 241627, 483254, 919837, 966508, 1037263, 1839674, 1898387, 2074526, 3679348, 3796774, 4149052, 7593548, 48751361, 89224189, 97502722, 100614511, 178448378, 195005444, 201229022, 356896756, 402458044, 4728882017, 9457764034, 18915528068]

約数ペア:

[(1, 18915528068), (2, 9457764034), (4, 4728882017), (47, 402458044), (53, 356896756), (94, 201229022), (97, 195005444), (106, 178448378), (188, 100614511), (194, 97502722), (212, 89224189), (388, 48751361), (2491, 7593548), (4559, 4149052), (4982, 3796774), (5141, 3679348), (9118, 2074526), (9964, 1898387), (10282, 1839674), (18236, 1037263), (19571, 966508), (20564, 919837), (39142, 483254), (78284, 241627)]