19727583

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 28807680

約数和(自身を除く): 9080097

約数列:

[1, 3, 23, 43, 61, 69, 109, 129, 183, 327, 989, 1403, 2507, 2623, 2967, 4209, 4687, 6649, 7521, 7869, 14061, 19947, 60329, 107801, 152927, 180987, 285907, 323403, 458781, 857721, 6575861, 19727583]

約数ペア:

[(1, 19727583), (3, 6575861), (23, 857721), (43, 458781), (61, 323403), (69, 285907), (109, 180987), (129, 152927), (183, 107801), (327, 60329), (989, 19947), (1403, 14061), (2507, 7869), (2623, 7521), (2967, 6649), (4209, 4687)]