17979244

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{12451}}^1$

素因数の和:12493

約数の個数: 18

約数和(自身を含む): 33209484

約数和(自身を除く): 15230240

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 12451, 24902, 49804, 236569, 473138, 946276, 4494811, 8989622, 17979244]

約数ペア:

[(1, 17979244), (2, 8989622), (4, 4494811), (19, 946276), (38, 473138), (76, 236569), (361, 49804), (722, 24902), (1444, 12451)]