18991006

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{4943}}^1$

素因数の和:5075

約数の個数: 16

約数和(自身を含む): 30435264

約数和(自身を除く): 11444258

約数列:

[1, 2, 17, 34, 113, 226, 1921, 3842, 4943, 9886, 84031, 168062, 558559, 1117118, 9495503, 18991006]

約数ペア:

[(1, 18991006), (2, 9495503), (17, 1117118), (34, 558559), (113, 168062), (226, 84031), (1921, 9886), (3842, 4943)]