18786540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{313109}}^1$

素因数の和:313121

約数の個数: 24

約数和(自身を含む): 52602480

約数和(自身を除く): 33815940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313109, 626218, 939327, 1252436, 1565545, 1878654, 3131090, 3757308, 4696635, 6262180, 9393270, 18786540]

約数ペア:

[(1, 18786540), (2, 9393270), (3, 6262180), (4, 4696635), (5, 3757308), (6, 3131090), (10, 1878654), (12, 1565545), (15, 1252436), (20, 939327), (30, 626218), (60, 313109)]