18724203

素因数分解:

$3^4\times {\mathrm{271}}^1\times {\mathrm{853}}^1$

素因数の和:1136

約数の個数: 20

約数和(自身を含む): 28106848

約数和(自身を除く): 9382645

約数列:

[1, 3, 9, 27, 81, 271, 813, 853, 2439, 2559, 7317, 7677, 21951, 23031, 69093, 231163, 693489, 2080467, 6241401, 18724203]

約数ペア:

[(1, 18724203), (3, 6241401), (9, 2080467), (27, 693489), (81, 231163), (271, 69093), (813, 23031), (853, 21951), (2439, 7677), (2559, 7317)]