18219014

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19259}}^1$

素因数の和:19315

約数の個数: 16

約数和(自身を含む): 30507840

約数和(自身を除く): 12288826

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 19259, 38518, 211849, 423698, 828137, 1656274, 9109507, 18219014]

約数ペア:

[(1, 18219014), (2, 9109507), (11, 1656274), (22, 828137), (43, 423698), (86, 211849), (473, 38518), (946, 19259)]