18693207

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2803}}^1$

素因数の和:2844

約数の個数: 32

約数和(自身を含む): 31404800

約数和(自身を除く): 12711593

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 2803, 6669, 8409, 25227, 36439, 53257, 75681, 109317, 159771, 327951, 479313, 692341, 983853, 1437939, 2077023, 6231069, 18693207]

約数ペア:

[(1, 18693207), (3, 6231069), (9, 2077023), (13, 1437939), (19, 983853), (27, 692341), (39, 479313), (57, 327951), (117, 159771), (171, 109317), (247, 75681), (351, 53257), (513, 36439), (741, 25227), (2223, 8409), (2803, 6669)]