19609120

素因数分解:

$2^5\times 5^1\times {\mathrm{122557}}^1$

素因数の和:122572

約数の個数: 24

約数和(自身を含む): 46326924

約数和(自身を除く): 26717804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 122557, 245114, 490228, 612785, 980456, 1225570, 1960912, 2451140, 3921824, 4902280, 9804560, 19609120]

約数ペア:

[(1, 19609120), (2, 9804560), (4, 4902280), (5, 3921824), (8, 2451140), (10, 1960912), (16, 1225570), (20, 980456), (32, 612785), (40, 490228), (80, 245114), (160, 122557)]