19465117

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{331}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 23117824

約数和(自身を除く): 3652707

約数列:

[1, 7, 31, 217, 271, 331, 1897, 2317, 8401, 10261, 58807, 71827, 89701, 627907, 2780731, 19465117]

約数ペア:

[(1, 19465117), (7, 2780731), (31, 627907), (217, 89701), (271, 71827), (331, 58807), (1897, 10261), (2317, 8401)]