18170913

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1523}}^1$

素因数の和:1664

約数の個数: 16

約数和(自身を含む): 25091136

約数和(自身を除く): 6920223

約数列:

[1, 3, 41, 97, 123, 291, 1523, 3977, 4569, 11931, 62443, 147731, 187329, 443193, 6056971, 18170913]

約数ペア:

[(1, 18170913), (3, 6056971), (41, 443193), (97, 187329), (123, 147731), (291, 62443), (1523, 11931), (3977, 4569)]