19115657

素因数分解:

${\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:376

約数の個数: 16

約数和(自身を含む): 21384000

約数和(自身を除く): 2268343

約数列:

[1, 11, 107, 109, 149, 1177, 1199, 1639, 11663, 15943, 16241, 128293, 175373, 178651, 1737787, 19115657]

約数ペア:

[(1, 19115657), (11, 1737787), (107, 178651), (109, 175373), (149, 128293), (1177, 16241), (1199, 15943), (1639, 11663)]