19618245

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2213}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 34193016

約数和(自身を除く): 14574771

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2213, 2955, 6639, 8865, 11065, 19917, 33195, 99585, 435961, 1307883, 2179805, 3923649, 6539415, 19618245]

約数ペア:

[(1, 19618245), (3, 6539415), (5, 3923649), (9, 2179805), (15, 1307883), (45, 435961), (197, 99585), (591, 33195), (985, 19917), (1773, 11065), (2213, 8865), (2955, 6639)]