19955196

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{17881}}^1$

素因数の和:17922

約数の個数: 36

約数和(自身を含む): 52072384

約数和(自身を除く): 32117188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 17881, 35762, 53643, 71524, 107286, 160929, 214572, 321858, 554311, 643716, 1108622, 1662933, 2217244, 3325866, 4988799, 6651732, 9977598, 19955196]

約数ペア:

[(1, 19955196), (2, 9977598), (3, 6651732), (4, 4988799), (6, 3325866), (9, 2217244), (12, 1662933), (18, 1108622), (31, 643716), (36, 554311), (62, 321858), (93, 214572), (124, 160929), (186, 107286), (279, 71524), (372, 53643), (558, 35762), (1116, 17881)]