19696965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{77243}}^1$

素因数の和:77268

約数の個数: 16

約数和(自身を含む): 33369408

約数和(自身を除く): 13672443

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 77243, 231729, 386215, 1158645, 1313131, 3939393, 6565655, 19696965]

約数ペア:

[(1, 19696965), (3, 6565655), (5, 3939393), (15, 1313131), (17, 1158645), (51, 386215), (85, 231729), (255, 77243)]