18996876321

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1151}}^1\times {\mathrm{2969}}^1$

素因数の和:4249

約数の個数: 32

約数和(自身を含む): 27097804800

約数和(自身を除く): 8100928479

約数列:

[1, 3, 17, 51, 109, 327, 1151, 1853, 2969, 3453, 5559, 8907, 19567, 50473, 58701, 125459, 151419, 323621, 376377, 970863, 2132803, 3417319, 5501557, 6398409, 10251957, 16504671, 58094423, 174283269, 372487771, 1117463313, 6332292107, 18996876321]

約数ペア:

[(1, 18996876321), (3, 6332292107), (17, 1117463313), (51, 372487771), (109, 174283269), (327, 58094423), (1151, 16504671), (1853, 10251957), (2969, 6398409), (3453, 5501557), (5559, 3417319), (8907, 2132803), (19567, 970863), (50473, 376377), (58701, 323621), (125459, 151419)]