18968118

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12799}}^1$

素因数の和:12836

約数の個数: 32

約数和(自身を含む): 43008000

約数和(自身を除く): 24039882

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 494, 741, 1482, 12799, 25598, 38397, 76794, 166387, 243181, 332774, 486362, 499161, 729543, 998322, 1459086, 3161353, 6322706, 9484059, 18968118]

約数ペア:

[(1, 18968118), (2, 9484059), (3, 6322706), (6, 3161353), (13, 1459086), (19, 998322), (26, 729543), (38, 499161), (39, 486362), (57, 332774), (78, 243181), (114, 166387), (247, 76794), (494, 38397), (741, 25598), (1482, 12799)]