19975722

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8831}}^1$

素因数の和:8878

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 24537558

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 1131, 2262, 8831, 17662, 26493, 52986, 114803, 229606, 256099, 344409, 512198, 688818, 768297, 1536594, 3329287, 6658574, 9987861, 19975722]

約数ペア:

[(1, 19975722), (2, 9987861), (3, 6658574), (6, 3329287), (13, 1536594), (26, 768297), (29, 688818), (39, 512198), (58, 344409), (78, 256099), (87, 229606), (174, 114803), (377, 52986), (754, 26493), (1131, 17662), (2262, 8831)]