19985292

素因数分解:

$2^2\times 3^5\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:757

約数の個数: 72

約数和(自身を含む): 54272400

約数和(自身を除く): 34287108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 81, 87, 108, 116, 162, 174, 243, 261, 324, 348, 486, 522, 709, 783, 972, 1044, 1418, 1566, 2127, 2349, 2836, 3132, 4254, 4698, 6381, 7047, 8508, 9396, 12762, 14094, 19143, 20561, 25524, 28188, 38286, 41122, 57429, 61683, 76572, 82244, 114858, 123366, 172287, 185049, 229716, 246732, 344574, 370098, 555147, 689148, 740196, 1110294, 1665441, 2220588, 3330882, 4996323, 6661764, 9992646, 19985292]

約数ペア:

[(1, 19985292), (2, 9992646), (3, 6661764), (4, 4996323), (6, 3330882), (9, 2220588), (12, 1665441), (18, 1110294), (27, 740196), (29, 689148), (36, 555147), (54, 370098), (58, 344574), (81, 246732), (87, 229716), (108, 185049), (116, 172287), (162, 123366), (174, 114858), (243, 82244), (261, 76572), (324, 61683), (348, 57429), (486, 41122), (522, 38286), (709, 28188), (783, 25524), (972, 20561), (1044, 19143), (1418, 14094), (1566, 12762), (2127, 9396), (2349, 8508), (2836, 7047), (3132, 6381), (4254, 4698)]