19864268

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{673}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 35781312

約数和(自身を除く): 15917044

約数列:

[1, 2, 4, 47, 94, 157, 188, 314, 628, 673, 1346, 2692, 7379, 14758, 29516, 31631, 63262, 105661, 126524, 211322, 422644, 4966067, 9932134, 19864268]

約数ペア:

[(1, 19864268), (2, 9932134), (4, 4966067), (47, 422644), (94, 211322), (157, 126524), (188, 105661), (314, 63262), (628, 31631), (673, 29516), (1346, 14758), (2692, 7379)]