18869858

素因数分解:

$2^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{8269}}^1$

素因数の和:8441

約数の個数: 16

約数和(自身を含む): 32550720

約数和(自身を除く): 13680862

約数列:

[1, 2, 7, 14, 163, 326, 1141, 2282, 8269, 16538, 57883, 115766, 1347847, 2695694, 9434929, 18869858]

約数ペア:

[(1, 18869858), (2, 9434929), (7, 2695694), (14, 1347847), (163, 115766), (326, 57883), (1141, 16538), (2282, 8269)]