19696985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4651}}^1$

素因数の和:4685

約数の個数: 24

約数和(自身を含む): 29698368

約数和(自身を除く): 10001383

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 4651, 23255, 32557, 51161, 162785, 255805, 358127, 562771, 1790635, 2813855, 3939397, 19696985]

約数ペア:

[(1, 19696985), (5, 3939397), (7, 2813855), (11, 1790635), (35, 562771), (55, 358127), (77, 255805), (121, 162785), (385, 51161), (605, 32557), (847, 23255), (4235, 4651)]