19604805

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{907}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 34518528

約数和(自身を除く): 14913723

約数列:

[1, 3, 5, 11, 15, 33, 55, 131, 165, 393, 655, 907, 1441, 1965, 2721, 4323, 4535, 7205, 9977, 13605, 21615, 29931, 49885, 118817, 149655, 356451, 594085, 1306987, 1782255, 3920961, 6534935, 19604805]

約数ペア:

[(1, 19604805), (3, 6534935), (5, 3920961), (11, 1782255), (15, 1306987), (33, 594085), (55, 356451), (131, 149655), (165, 118817), (393, 49885), (655, 29931), (907, 21615), (1441, 13605), (1965, 9977), (2721, 7205), (4323, 4535)]