20081518

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{6367}}^1$

素因数の和:6471

約数の個数: 16

約数和(自身を含む): 32094720

約数和(自身を除く): 12013202

約数列:

[1, 2, 19, 38, 83, 166, 1577, 3154, 6367, 12734, 120973, 241946, 528461, 1056922, 10040759, 20081518]

約数ペア:

[(1, 20081518), (2, 10040759), (19, 1056922), (38, 528461), (83, 241946), (166, 120973), (1577, 12734), (3154, 6367)]