18851265

素因数分解:

$3^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{449}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 33696000

約数和(自身を除く): 14844735

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 311, 449, 933, 1347, 1555, 2245, 2799, 4041, 4665, 6735, 8397, 12123, 13995, 20205, 41985, 60615, 139639, 418917, 698195, 1256751, 2094585, 3770253, 6283755, 18851265]

約数ペア:

[(1, 18851265), (3, 6283755), (5, 3770253), (9, 2094585), (15, 1256751), (27, 698195), (45, 418917), (135, 139639), (311, 60615), (449, 41985), (933, 20205), (1347, 13995), (1555, 12123), (2245, 8397), (2799, 6735), (4041, 4665)]