18947852

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61519}}^1$

素因数の和:61541

約数の個数: 24

約数和(自身を含む): 41341440

約数和(自身を除く): 22393588

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 61519, 123038, 246076, 430633, 676709, 861266, 1353418, 1722532, 2706836, 4736963, 9473926, 18947852]

約数ペア:

[(1, 18947852), (2, 9473926), (4, 4736963), (7, 2706836), (11, 1722532), (14, 1353418), (22, 861266), (28, 676709), (44, 430633), (77, 246076), (154, 123038), (308, 61519)]