18356481

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 33022080

約数和(自身を除く): 14665599

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 143, 153, 187, 221, 429, 561, 663, 839, 1287, 1683, 1989, 2431, 2517, 7293, 7551, 9229, 10907, 14263, 21879, 27687, 32721, 42789, 83061, 98163, 119977, 128367, 156893, 185419, 359931, 470679, 556257, 1079793, 1412037, 1668771, 2039609, 6118827, 18356481]

約数ペア:

[(1, 18356481), (3, 6118827), (9, 2039609), (11, 1668771), (13, 1412037), (17, 1079793), (33, 556257), (39, 470679), (51, 359931), (99, 185419), (117, 156893), (143, 128367), (153, 119977), (187, 98163), (221, 83061), (429, 42789), (561, 32721), (663, 27687), (839, 21879), (1287, 14263), (1683, 10907), (1989, 9229), (2431, 7551), (2517, 7293)]