19691320324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{378679237}}^1$

素因数の和:378679254

約数の個数: 12

約数和(自身を含む): 37110565324

約数和(自身を除く): 17419245000

約数列:

[1, 2, 4, 13, 26, 52, 378679237, 757358474, 1514716948, 4922830081, 9845660162, 19691320324]

約数ペア:

[(1, 19691320324), (2, 9845660162), (4, 4922830081), (13, 1514716948), (26, 757358474), (52, 378679237)]