19670553

素因数分解:

$3^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{523}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 33536000

約数和(自身を除く): 13865447

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 199, 523, 597, 1393, 1569, 1791, 3661, 4179, 4707, 5373, 10983, 12537, 14121, 32949, 37611, 98847, 104077, 312231, 728539, 936693, 2185617, 2810079, 6556851, 19670553]

約数ペア:

[(1, 19670553), (3, 6556851), (7, 2810079), (9, 2185617), (21, 936693), (27, 728539), (63, 312231), (189, 104077), (199, 98847), (523, 37611), (597, 32949), (1393, 14121), (1569, 12537), (1791, 10983), (3661, 5373), (4179, 4707)]