18728373

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2339}}^1$

素因数の和:2516

約数の個数: 16

約数和(自身を含む): 26619840

約数和(自身を除く): 7891467

約数列:

[1, 3, 17, 51, 157, 471, 2339, 2669, 7017, 8007, 39763, 119289, 367223, 1101669, 6242791, 18728373]

約数ペア:

[(1, 18728373), (3, 6242791), (17, 1101669), (51, 367223), (157, 119289), (471, 39763), (2339, 8007), (2669, 7017)]