19654184

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1291}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 40465440

約数和(自身を除く): 20811256

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 173, 346, 692, 1291, 1384, 1903, 2582, 3806, 5164, 7612, 10328, 14201, 15224, 28402, 56804, 113608, 223343, 446686, 893372, 1786744, 2456773, 4913546, 9827092, 19654184]

約数ペア:

[(1, 19654184), (2, 9827092), (4, 4913546), (8, 2456773), (11, 1786744), (22, 893372), (44, 446686), (88, 223343), (173, 113608), (346, 56804), (692, 28402), (1291, 15224), (1384, 14201), (1903, 10328), (2582, 7612), (3806, 5164)]