19676409

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2633}}^1$

素因数の和:2736

約数の個数: 16

約数和(自身を含む): 27309312

約数和(自身を除く): 7632903

約数列:

[1, 3, 47, 53, 141, 159, 2491, 2633, 7473, 7899, 123751, 139549, 371253, 418647, 6558803, 19676409]

約数ペア:

[(1, 19676409), (3, 6558803), (47, 418647), (53, 371253), (141, 139549), (159, 123751), (2491, 7899), (2633, 7473)]