18199701

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2729}}^1$

素因数の和:2770

約数の個数: 32

約数和(自身を含む): 30576000

約数和(自身を除く): 12376299

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 2729, 6669, 8187, 24561, 35477, 51851, 73683, 106431, 155553, 319293, 466659, 674063, 957879, 1399977, 2022189, 6066567, 18199701]

約数ペア:

[(1, 18199701), (3, 6066567), (9, 2022189), (13, 1399977), (19, 957879), (27, 674063), (39, 466659), (57, 319293), (117, 155553), (171, 106431), (247, 73683), (351, 51851), (513, 35477), (741, 24561), (2223, 8187), (2729, 6669)]