18913741

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{14449}}^1$

素因数の和:14484

約数の個数: 16

約数和(自身を含む): 24969600

約数和(自身を除く): 6055859

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 14449, 101143, 158939, 245633, 1112573, 1719431, 2701963, 18913741]

約数ペア:

[(1, 18913741), (7, 2701963), (11, 1719431), (17, 1112573), (77, 245633), (119, 158939), (187, 101143), (1309, 14449)]