18885691

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4391}}^1$

素因数の和:4442

約数の個数: 16

約数和(自身を含む): 22768128

約数和(自身を除く): 3882437

約数列:

[1, 11, 17, 23, 187, 253, 391, 4301, 4391, 48301, 74647, 100993, 821117, 1110923, 1716881, 18885691]

約数ペア:

[(1, 18885691), (11, 1716881), (17, 1110923), (23, 821117), (187, 100993), (253, 74647), (391, 48301), (4301, 4391)]