19994757

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1091}}^1$

素因数の和:1284

約数の個数: 16

約数和(自身を含む): 27518400

約数和(自身を除く): 7523643

約数列:

[1, 3, 41, 123, 149, 447, 1091, 3273, 6109, 18327, 44731, 134193, 162559, 487677, 6664919, 19994757]

約数ペア:

[(1, 19994757), (3, 6664919), (41, 487677), (123, 162559), (149, 134193), (447, 44731), (1091, 18327), (3273, 6109)]