18421774

素因数分解:

$2^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{4231}}^1$

素因数の和:4551

約数の個数: 16

約数和(自身を含む): 31689216

約数和(自身を除く): 13267442

約数列:

[1, 2, 7, 14, 311, 622, 2177, 4231, 4354, 8462, 29617, 59234, 1315841, 2631682, 9210887, 18421774]

約数ペア:

[(1, 18421774), (2, 9210887), (7, 2631682), (14, 1315841), (311, 59234), (622, 29617), (2177, 8462), (4231, 4354)]