218473618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{22621}}^1$

素因数の和:23073

約数の個数: 16

約数和(自身を含む): 358332480

約数和(自身を除く): 139858862

約数列:

[1, 2, 11, 22, 439, 878, 4829, 9658, 22621, 45242, 248831, 497662, 9930619, 19861238, 109236809, 218473618]

約数ペア:

[(1, 218473618), (2, 109236809), (11, 19861238), (22, 9930619), (439, 497662), (878, 248831), (4829, 45242), (9658, 22621)]