18736564

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{479}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 41287680

約数和(自身を除く): 22551116

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 127, 154, 254, 308, 479, 508, 889, 958, 1397, 1778, 1916, 2794, 3353, 3556, 5269, 5588, 6706, 9779, 10538, 13412, 19558, 21076, 36883, 39116, 60833, 73766, 121666, 147532, 243332, 425831, 669163, 851662, 1338326, 1703324, 2676652, 4684141, 9368282, 18736564]

約数ペア:

[(1, 18736564), (2, 9368282), (4, 4684141), (7, 2676652), (11, 1703324), (14, 1338326), (22, 851662), (28, 669163), (44, 425831), (77, 243332), (127, 147532), (154, 121666), (254, 73766), (308, 60833), (479, 39116), (508, 36883), (889, 21076), (958, 19558), (1397, 13412), (1778, 10538), (1916, 9779), (2794, 6706), (3353, 5588), (3556, 5269)]