19967841

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5077}}^1$

素因数の和:5125

約数の個数: 24

約数和(自身を含む): 31686720

約数和(自身を除く): 11718879

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 5077, 15231, 45693, 96463, 116771, 289389, 350313, 868167, 1050939, 2218649, 6655947, 19967841]

約数ペア:

[(1, 19967841), (3, 6655947), (9, 2218649), (19, 1050939), (23, 868167), (57, 350313), (69, 289389), (171, 116771), (207, 96463), (437, 45693), (1311, 15231), (3933, 5077)]