18688293

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1439}}^1$

素因数の和:1498

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 11954907

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1439, 1443, 4317, 4329, 12951, 12987, 18707, 38853, 53243, 56121, 159729, 168363, 479187, 505089, 692159, 1437561, 2076477, 6229431, 18688293]

約数ペア:

[(1, 18688293), (3, 6229431), (9, 2076477), (13, 1437561), (27, 692159), (37, 505089), (39, 479187), (111, 168363), (117, 159729), (333, 56121), (351, 53243), (481, 38853), (999, 18707), (1439, 12987), (1443, 12951), (4317, 4329)]