18866490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{709}}^1\times {\mathrm{887}}^1$

素因数の和:1606

約数の個数: 32

約数和(自身を含む): 45394560

約数和(自身を除く): 26528070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 709, 887, 1418, 1774, 2127, 2661, 3545, 4254, 4435, 5322, 7090, 8870, 10635, 13305, 21270, 26610, 628883, 1257766, 1886649, 3144415, 3773298, 6288830, 9433245, 18866490]

約数ペア:

[(1, 18866490), (2, 9433245), (3, 6288830), (5, 3773298), (6, 3144415), (10, 1886649), (15, 1257766), (30, 628883), (709, 26610), (887, 21270), (1418, 13305), (1774, 10635), (2127, 8870), (2661, 7090), (3545, 5322), (4254, 4435)]