18961719

素因数分解:

$3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{2011}}^1$

素因数の和:2470

約数の個数: 16

約数和(自身を含む): 28972800

約数和(自身を除く): 10011081

約数列:

[1, 3, 7, 21, 449, 1347, 2011, 3143, 6033, 9429, 14077, 42231, 902939, 2708817, 6320573, 18961719]

約数ペア:

[(1, 18961719), (3, 6320573), (7, 2708817), (21, 902939), (449, 42231), (1347, 14077), (2011, 9429), (3143, 6033)]