18875956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1019}}^1$

素因数の和:1455

約数の個数: 24

約数和(自身を含む): 36156960

約数和(自身を除く): 17281004

約数列:

[1, 2, 4, 11, 22, 44, 421, 842, 1019, 1684, 2038, 4076, 4631, 9262, 11209, 18524, 22418, 44836, 428999, 857998, 1715996, 4718989, 9437978, 18875956]

約数ペア:

[(1, 18875956), (2, 9437978), (4, 4718989), (11, 1715996), (22, 857998), (44, 428999), (421, 44836), (842, 22418), (1019, 18524), (1684, 11209), (2038, 9262), (4076, 4631)]