19807774

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{30103}}^1$

素因数の和:30159

約数の個数: 16

約数和(自身を含む): 34679808

約数和(自身を除く): 14872034

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 30103, 60206, 210721, 421442, 1414841, 2829682, 9903887, 19807774]

約数ペア:

[(1, 19807774), (2, 9903887), (7, 2829682), (14, 1414841), (47, 421442), (94, 210721), (329, 60206), (658, 30103)]