18730972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8377}}^1$

素因数の和:8437

約数の個数: 24

約数和(自身を含む): 36125936

約数和(自身を除く): 17394964

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 8377, 16754, 33508, 108901, 217802, 360211, 435604, 720422, 1440844, 4682743, 9365486, 18730972]

約数ペア:

[(1, 18730972), (2, 9365486), (4, 4682743), (13, 1440844), (26, 720422), (43, 435604), (52, 360211), (86, 217802), (172, 108901), (559, 33508), (1118, 16754), (2236, 8377)]