19641230959

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1\times {\mathrm{5807}}^1$

素因数の和:6535

約数の個数: 32

約数和(自身を含む): 24361261056

約数和(自身を除く): 4720030097

約数列:

[1, 7, 17, 43, 119, 301, 661, 731, 4627, 5117, 5807, 11237, 28423, 40649, 78659, 98719, 198961, 249701, 483191, 691033, 1747907, 3382337, 3838427, 4244917, 26868989, 29714419, 65253259, 165052361, 456772813, 1155366527, 2805890137, 19641230959]

約数ペア:

[(1, 19641230959), (7, 2805890137), (17, 1155366527), (43, 456772813), (119, 165052361), (301, 65253259), (661, 29714419), (731, 26868989), (4627, 4244917), (5117, 3838427), (5807, 3382337), (11237, 1747907), (28423, 691033), (40649, 483191), (78659, 249701), (98719, 198961)]