18843877

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 23224320

約数和(自身を除く): 4380443

約数列:

[1, 13, 19, 23, 31, 107, 247, 299, 403, 437, 589, 713, 1391, 2033, 2461, 3317, 5681, 7657, 9269, 13547, 26429, 31993, 43121, 46759, 63023, 76291, 176111, 607867, 819299, 991783, 1449529, 18843877]

約数ペア:

[(1, 18843877), (13, 1449529), (19, 991783), (23, 819299), (31, 607867), (107, 176111), (247, 76291), (299, 63023), (403, 46759), (437, 43121), (589, 31993), (713, 26429), (1391, 13547), (2033, 9269), (2461, 7657), (3317, 5681)]