19559718

素因数分解:

$2^1\times 3^4\times {\mathrm{120739}}^1$

素因数の和:120753

約数の個数: 20

約数和(自身を含む): 43828620

約数和(自身を除く): 24268902

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 120739, 241478, 362217, 724434, 1086651, 2173302, 3259953, 6519906, 9779859, 19559718]

約数ペア:

[(1, 19559718), (2, 9779859), (3, 6519906), (6, 3259953), (9, 2173302), (18, 1086651), (27, 724434), (54, 362217), (81, 241478), (162, 120739)]