19874327

素因数分解:

${\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:454

約数の個数: 16

約数和(自身を含む): 22325760

約数和(自身を除く): 2451433

約数列:

[1, 11, 59, 113, 271, 649, 1243, 2981, 6667, 15989, 30623, 73337, 175879, 336853, 1806757, 19874327]

約数ペア:

[(1, 19874327), (11, 1806757), (59, 336853), (113, 175879), (271, 73337), (649, 30623), (1243, 15989), (2981, 6667)]