18891662

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4561}}^1$

素因数の和:4691

約数の個数: 16

約数和(自身を含む): 30109200

約数和(自身を除く): 11217538

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 4561, 9122, 86659, 173318, 497149, 994298, 9445831, 18891662]

約数ペア:

[(1, 18891662), (2, 9445831), (19, 994298), (38, 497149), (109, 173318), (218, 86659), (2071, 9122), (4142, 4561)]