19544330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1009}}^1$

素因数の和:1178

約数の個数: 32

約数和(自身を含む): 38178000

約数和(自身を除く): 18633670

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1009, 1490, 1937, 2018, 3874, 5045, 9685, 10090, 13117, 19370, 26234, 65585, 131170, 150341, 300682, 751705, 1503410, 1954433, 3908866, 9772165, 19544330]

約数ペア:

[(1, 19544330), (2, 9772165), (5, 3908866), (10, 1954433), (13, 1503410), (26, 751705), (65, 300682), (130, 150341), (149, 131170), (298, 65585), (745, 26234), (1009, 19370), (1490, 13117), (1937, 10090), (2018, 9685), (3874, 5045)]