19439937

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1097}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 30831840

約数和(自身を除く): 11391903

約数列:

[1, 3, 9, 11, 33, 99, 179, 537, 1097, 1611, 1969, 3291, 5907, 9873, 12067, 17721, 36201, 108603, 196363, 589089, 1767267, 2159993, 6479979, 19439937]

約数ペア:

[(1, 19439937), (3, 6479979), (9, 2159993), (11, 1767267), (33, 589089), (99, 196363), (179, 108603), (537, 36201), (1097, 17721), (1611, 12067), (1969, 9873), (3291, 5907)]