18761965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2143}}^1$

素因数の和:2268

約数の個数: 16

約数和(自身を含む): 24081408

約数和(自身を除く): 5319443

約数列:

[1, 5, 17, 85, 103, 515, 1751, 2143, 8755, 10715, 36431, 182155, 220729, 1103645, 3752393, 18761965]

約数ペア:

[(1, 18761965), (5, 3752393), (17, 1103645), (85, 220729), (103, 182155), (515, 36431), (1751, 10715), (2143, 8755)]