19440824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3527}}^1$

素因数の和:3599

約数の個数: 32

約数和(自身を含む): 40007520

約数和(自身を除く): 20566696

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 3527, 5512, 7054, 14108, 28216, 45851, 91702, 183404, 186931, 366808, 373862, 747724, 1495448, 2430103, 4860206, 9720412, 19440824]

約数ペア:

[(1, 19440824), (2, 9720412), (4, 4860206), (8, 2430103), (13, 1495448), (26, 747724), (52, 373862), (53, 366808), (104, 186931), (106, 183404), (212, 91702), (424, 45851), (689, 28216), (1378, 14108), (2756, 7054), (3527, 5512)]