18950427

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4271}}^1$

素因数の和:4323

約数の個数: 24

約数和(自身を含む): 29989440

約数和(自身を除く): 11039013

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4271, 4437, 12813, 38439, 72607, 123859, 217821, 371577, 653463, 1114731, 2105603, 6316809, 18950427]

約数ペア:

[(1, 18950427), (3, 6316809), (9, 2105603), (17, 1114731), (29, 653463), (51, 371577), (87, 217821), (153, 123859), (261, 72607), (493, 38439), (1479, 12813), (4271, 4437)]