19399378

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{929}}^1$

素因数の和:1181

約数の個数: 16

約数和(自身を含む): 29830680

約数和(自身を除く): 10431302

約数列:

[1, 2, 53, 106, 197, 394, 929, 1858, 10441, 20882, 49237, 98474, 183013, 366026, 9699689, 19399378]

約数ペア:

[(1, 19399378), (2, 9699689), (53, 366026), (106, 183013), (197, 98474), (394, 49237), (929, 20882), (1858, 10441)]