19090885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{11197}}^1$

素因数の和:11244

約数の個数: 16

約数和(自身を含む): 25800192

約数和(自身を除く): 6709307

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 11197, 55985, 123167, 347107, 615835, 1735535, 3818177, 19090885]

約数ペア:

[(1, 19090885), (5, 3818177), (11, 1735535), (31, 615835), (55, 347107), (155, 123167), (341, 55985), (1705, 11197)]