18639398

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{1153}}^1$

素因数の和:1351

約数の個数: 16

約数和(自身を含む): 28665360

約数和(自身を除く): 10025962

約数列:

[1, 2, 59, 118, 137, 274, 1153, 2306, 8083, 16166, 68027, 136054, 157961, 315922, 9319699, 18639398]

約数ペア:

[(1, 18639398), (2, 9319699), (59, 315922), (118, 157961), (137, 136054), (274, 68027), (1153, 16166), (2306, 8083)]