19646146

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{269}}^1$

素因数の和:390

約数の個数: 24

約数和(自身を含む): 32466420

約数和(自身を除く): 12820274

約数列:

[1, 2, 13, 26, 53, 106, 269, 538, 689, 1378, 2809, 3497, 5618, 6994, 14257, 28514, 36517, 73034, 185341, 370682, 755621, 1511242, 9823073, 19646146]

約数ペア:

[(1, 19646146), (2, 9823073), (13, 1511242), (26, 755621), (53, 370682), (106, 185341), (269, 73034), (538, 36517), (689, 28514), (1378, 14257), (2809, 6994), (3497, 5618)]