19390005

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4027}}^1$

素因数の和:4145

約数の個数: 24

約数和(自身を含む): 33931872

約数和(自身を除く): 14541867

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4027, 4815, 12081, 20135, 36243, 60405, 181215, 430889, 1292667, 2154445, 3878001, 6463335, 19390005]

約数ペア:

[(1, 19390005), (3, 6463335), (5, 3878001), (9, 2154445), (15, 1292667), (45, 430889), (107, 181215), (321, 60405), (535, 36243), (963, 20135), (1605, 12081), (4027, 4815)]