18680493951

素因数分解:

$3^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{935381}}^1$

素因数の和:935711

約数の個数: 24

約数和(自身を含む): 30934953504

約数和(自身を除く): 12254459553

約数列:

[1, 3, 7, 9, 21, 63, 317, 951, 2219, 2853, 6657, 19971, 935381, 2806143, 6547667, 8418429, 19643001, 58929003, 296515777, 889547331, 2075610439, 2668641993, 6226831317, 18680493951]

約数ペア:

[(1, 18680493951), (3, 6226831317), (7, 2668641993), (9, 2075610439), (21, 889547331), (63, 296515777), (317, 58929003), (951, 19643001), (2219, 8418429), (2853, 6547667), (6657, 2806143), (19971, 935381)]