18689265

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19777}}^1$

素因数の和:19798

約数の個数: 32

約数和(自身を含む): 37973760

約数和(自身を除く): 19284495

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 19777, 59331, 98885, 138439, 177993, 296655, 415317, 533979, 692195, 889965, 1245951, 2076585, 2669895, 3737853, 6229755, 18689265]

約数ペア:

[(1, 18689265), (3, 6229755), (5, 3737853), (7, 2669895), (9, 2076585), (15, 1245951), (21, 889965), (27, 692195), (35, 533979), (45, 415317), (63, 296655), (105, 177993), (135, 138439), (189, 98885), (315, 59331), (945, 19777)]