19490245

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1\times {\mathrm{491}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 24867648

約数和(自身を除く): 5377403

約数列:

[1, 5, 17, 85, 467, 491, 2335, 2455, 7939, 8347, 39695, 41735, 229297, 1146485, 3898049, 19490245]

約数ペア:

[(1, 19490245), (5, 3898049), (17, 1146485), (85, 229297), (467, 41735), (491, 39695), (2335, 8347), (2455, 7939)]