19993424

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2417}}^1$

素因数の和:2483

約数の個数: 40

約数和(自身を含む): 43175808

約数和(自身を除く): 23182384

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 88, 94, 176, 188, 376, 517, 752, 1034, 2068, 2417, 4136, 4834, 8272, 9668, 19336, 26587, 38672, 53174, 106348, 113599, 212696, 227198, 425392, 454396, 908792, 1249589, 1817584, 2499178, 4998356, 9996712, 19993424]

約数ペア:

[(1, 19993424), (2, 9996712), (4, 4998356), (8, 2499178), (11, 1817584), (16, 1249589), (22, 908792), (44, 454396), (47, 425392), (88, 227198), (94, 212696), (176, 113599), (188, 106348), (376, 53174), (517, 38672), (752, 26587), (1034, 19336), (2068, 9668), (2417, 8272), (4136, 4834)]