19966874

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{5197}}^1$

素因数の和:5329

約数の個数: 16

約数和(自身を含む): 31998888

約数和(自身を除く): 12032014

約数列:

[1, 2, 17, 34, 113, 226, 1921, 3842, 5197, 10394, 88349, 176698, 587261, 1174522, 9983437, 19966874]

約数ペア:

[(1, 19966874), (2, 9983437), (17, 1174522), (34, 587261), (113, 176698), (226, 88349), (1921, 10394), (3842, 5197)]