18669719

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 20326656

約数和(自身を除く): 1656937

約数列:

[1, 31, 37, 41, 397, 1147, 1271, 1517, 12307, 14689, 16277, 47027, 455359, 504587, 602249, 18669719]

約数ペア:

[(1, 18669719), (31, 602249), (37, 504587), (41, 455359), (397, 47027), (1147, 16277), (1271, 14689), (1517, 12307)]