19894185

素因数分解:

$3^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1021}}^1$

素因数の和:1465

約数の個数: 24

約数和(自身を含む): 34596744

約数和(自身を除く): 14702559

約数列:

[1, 3, 5, 9, 15, 45, 433, 1021, 1299, 2165, 3063, 3897, 5105, 6495, 9189, 15315, 19485, 45945, 442093, 1326279, 2210465, 3978837, 6631395, 19894185]

約数ペア:

[(1, 19894185), (3, 6631395), (5, 3978837), (9, 2210465), (15, 1326279), (45, 442093), (433, 45945), (1021, 19485), (1299, 15315), (2165, 9189), (3063, 6495), (3897, 5105)]