19808278

素因数分解:

$2^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{7817}}^1$

素因数の和:8007

約数の個数: 16

約数和(自身を含む): 34149024

約数和(自身を除く): 14340746

約数列:

[1, 2, 7, 14, 181, 362, 1267, 2534, 7817, 15634, 54719, 109438, 1414877, 2829754, 9904139, 19808278]

約数ペア:

[(1, 19808278), (2, 9904139), (7, 2829754), (14, 1414877), (181, 109438), (362, 54719), (1267, 15634), (2534, 7817)]