19749334

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{5189}}^1$

素因数の和:5375

約数の個数: 16

約数和(自身を含む): 32510160

約数和(自身を除く): 12760826

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 5189, 10378, 57079, 114158, 897697, 1795394, 9874667, 19749334]

約数ペア:

[(1, 19749334), (2, 9874667), (11, 1795394), (22, 897697), (173, 114158), (346, 57079), (1903, 10378), (3806, 5189)]