17880085

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{859}}^1$

素因数の和:1068

約数の個数: 16

約数和(自身を含む): 22538880

約数和(自身を除く): 4658795

約数列:

[1, 5, 23, 115, 181, 859, 905, 4163, 4295, 19757, 20815, 98785, 155479, 777395, 3576017, 17880085]

約数ペア:

[(1, 17880085), (5, 3576017), (23, 777395), (115, 155479), (181, 98785), (859, 20815), (905, 19757), (4163, 4295)]