19672015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15551}}^1$

素因数の和:15590

約数の個数: 16

約数和(自身を含む): 26873856

約数和(自身を除く): 7201841

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 15551, 77755, 171061, 357673, 855305, 1788365, 3934403, 19672015]

約数ペア:

[(1, 19672015), (5, 3934403), (11, 1788365), (23, 855305), (55, 357673), (115, 171061), (253, 77755), (1265, 15551)]