19617915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{719}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 33592320

約数和(自身を除く): 13974405

約数列:

[1, 3, 5, 15, 17, 51, 85, 107, 255, 321, 535, 719, 1605, 1819, 2157, 3595, 5457, 9095, 10785, 12223, 27285, 36669, 61115, 76933, 183345, 230799, 384665, 1153995, 1307861, 3923583, 6539305, 19617915]

約数ペア:

[(1, 19617915), (3, 6539305), (5, 3923583), (15, 1307861), (17, 1153995), (51, 384665), (85, 230799), (107, 183345), (255, 76933), (321, 61115), (535, 36669), (719, 27285), (1605, 12223), (1819, 10785), (2157, 9095), (3595, 5457)]