19755555

素因数分解:

$3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1321}}^1$

素因数の和:2326

約数の個数: 16

約数和(自身を含む): 31664544

約数和(自身を除く): 11908989

約数列:

[1, 3, 5, 15, 997, 1321, 2991, 3963, 4985, 6605, 14955, 19815, 1317037, 3951111, 6585185, 19755555]

約数ペア:

[(1, 19755555), (3, 6585185), (5, 3951111), (15, 1317037), (997, 19815), (1321, 14955), (2991, 6605), (3963, 4985)]