19320243

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 26459136

約数和(自身を除く): 7138893

約数列:

[1, 3, 47, 141, 263, 521, 789, 1563, 12361, 24487, 37083, 73461, 137023, 411069, 6440081, 19320243]

約数ペア:

[(1, 19320243), (3, 6440081), (47, 411069), (141, 137023), (263, 73461), (521, 37083), (789, 24487), (1563, 12361)]