19555588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3877}}^1$

素因数の和:3991

約数の個数: 24

約数和(自身を含む): 37244312

約数和(自身を除く): 17688724

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 3877, 5044, 7754, 15508, 50401, 100802, 201604, 376069, 752138, 1504276, 4888897, 9777794, 19555588]

約数ペア:

[(1, 19555588), (2, 9777794), (4, 4888897), (13, 1504276), (26, 752138), (52, 376069), (97, 201604), (194, 100802), (388, 50401), (1261, 15508), (2522, 7754), (3877, 5044)]