19982338

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{761}}^1$

素因数の和:1473

約数の個数: 16

約数和(自身を含む): 31638240

約数和(自身を除く): 11655902

約数列:

[1, 2, 19, 38, 691, 761, 1382, 1522, 13129, 14459, 26258, 28918, 525851, 1051702, 9991169, 19982338]

約数ペア:

[(1, 19982338), (2, 9991169), (19, 1051702), (38, 525851), (691, 28918), (761, 26258), (1382, 14459), (1522, 13129)]