19778268

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{15121}}^1$

素因数の和:15237

約数の個数: 24

約数和(自身を含む): 46575760

約数和(自身を除く): 26797492

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 15121, 30242, 45363, 60484, 90726, 181452, 1648189, 3296378, 4944567, 6592756, 9889134, 19778268]

約数ペア:

[(1, 19778268), (2, 9889134), (3, 6592756), (4, 4944567), (6, 3296378), (12, 1648189), (109, 181452), (218, 90726), (327, 60484), (436, 45363), (654, 30242), (1308, 15121)]