18762278

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{859}}^1$

素因数の和:1091

約数の個数: 16

約数和(自身を含む): 28772160

約数和(自身を除く): 10009882

約数列:

[1, 2, 67, 134, 163, 326, 859, 1718, 10921, 21842, 57553, 115106, 140017, 280034, 9381139, 18762278]

約数ペア:

[(1, 18762278), (2, 9381139), (67, 280034), (134, 140017), (163, 115106), (326, 57553), (859, 21842), (1718, 10921)]