19404044

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:926

約数の個数: 36

約数和(自身を含む): 38163552

約数和(自身を除く): 18759508

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 121, 188, 242, 484, 517, 853, 1034, 1706, 2068, 3412, 5687, 9383, 11374, 18766, 22748, 37532, 40091, 80182, 103213, 160364, 206426, 412852, 441001, 882002, 1764004, 4851011, 9702022, 19404044]

約数ペア:

[(1, 19404044), (2, 9702022), (4, 4851011), (11, 1764004), (22, 882002), (44, 441001), (47, 412852), (94, 206426), (121, 160364), (188, 103213), (242, 80182), (484, 40091), (517, 37532), (853, 22748), (1034, 18766), (1706, 11374), (2068, 9383), (3412, 5687)]