19788718

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{2503}}^1$

素因数の和:2631

約数の個数: 16

約数和(自身を含む): 30648960

約数和(自身を除く): 10860242

約数列:

[1, 2, 59, 67, 118, 134, 2503, 3953, 5006, 7906, 147677, 167701, 295354, 335402, 9894359, 19788718]

約数ペア:

[(1, 19788718), (2, 9894359), (59, 335402), (67, 295354), (118, 167701), (134, 147677), (2503, 7906), (3953, 5006)]