2018711525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{10391}}^1$

素因数の和:10829

約数の個数: 24

約数和(自身を含む): 2641646400

約数和(自身を除く): 622934875

約数列:

[1, 5, 19, 25, 95, 409, 475, 2045, 7771, 10225, 10391, 38855, 51955, 194275, 197429, 259775, 987145, 4249919, 4935725, 21249595, 80748461, 106247975, 403742305, 2018711525]

約数ペア:

[(1, 2018711525), (5, 403742305), (19, 106247975), (25, 80748461), (95, 21249595), (409, 4935725), (475, 4249919), (2045, 987145), (7771, 259775), (10225, 197429), (10391, 194275), (38855, 51955)]