17986293

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:104

約数の個数: 80

約数和(自身を含む): 32524800

約数和(自身を除く): 14538507

約数列:

[1, 3, 9, 13, 19, 27, 29, 31, 39, 57, 81, 87, 93, 117, 171, 247, 261, 279, 351, 377, 403, 513, 551, 589, 741, 783, 837, 899, 1053, 1131, 1209, 1539, 1653, 1767, 2223, 2349, 2511, 2697, 3393, 3627, 4959, 5301, 6669, 7163, 7657, 8091, 10179, 10881, 11687, 14877, 15903, 17081, 20007, 21489, 22971, 24273, 30537, 32643, 35061, 44631, 47709, 51243, 64467, 68913, 72819, 105183, 153729, 193401, 206739, 222053, 315549, 461187, 580203, 620217, 666159, 946647, 1383561, 1998477, 5995431, 17986293]

約数ペア:

[(1, 17986293), (3, 5995431), (9, 1998477), (13, 1383561), (19, 946647), (27, 666159), (29, 620217), (31, 580203), (39, 461187), (57, 315549), (81, 222053), (87, 206739), (93, 193401), (117, 153729), (171, 105183), (247, 72819), (261, 68913), (279, 64467), (351, 51243), (377, 47709), (403, 44631), (513, 35061), (551, 32643), (589, 30537), (741, 24273), (783, 22971), (837, 21489), (899, 20007), (1053, 17081), (1131, 15903), (1209, 14877), (1539, 11687), (1653, 10881), (1767, 10179), (2223, 8091), (2349, 7657), (2511, 7163), (2697, 6669), (3393, 5301), (3627, 4959)]