19889542

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{5881}}^1$

素因数の和:5991

約数の個数: 16

約数和(自身を含む): 31762800

約数和(自身を除く): 11873258

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 5881, 11762, 111739, 223478, 523409, 1046818, 9944771, 19889542]

約数ペア:

[(1, 19889542), (2, 9944771), (19, 1046818), (38, 523409), (89, 223478), (178, 111739), (1691, 11762), (3382, 5881)]