1920908715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11641871}}^1$

素因数の和:11641890

約数の個数: 16

約数和(自身を含む): 3352859136

約数和(自身を除く): 1431950421

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 11641871, 34925613, 58209355, 128060581, 174628065, 384181743, 640302905, 1920908715]

約数ペア:

[(1, 1920908715), (3, 640302905), (5, 384181743), (11, 174628065), (15, 128060581), (33, 58209355), (55, 34925613), (165, 11641871)]