18671961

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{80831}}^1$

素因数の和:80852

約数の個数: 16

約数和(自身を含む): 31039488

約数和(自身を除く): 12367527

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 80831, 242493, 565817, 889141, 1697451, 2667423, 6223987, 18671961]

約数ペア:

[(1, 18671961), (3, 6223987), (7, 2667423), (11, 1697451), (21, 889141), (33, 565817), (77, 242493), (231, 80831)]