19381964

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4409}}^1$

素因数の和:4577

約数の個数: 24

約数和(自身を含む): 39019680

約数和(自身を除く): 19637716

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 4409, 8818, 17636, 30863, 61726, 123452, 692213, 1384426, 2768852, 4845491, 9690982, 19381964]

約数ペア:

[(1, 19381964), (2, 9690982), (4, 4845491), (7, 2768852), (14, 1384426), (28, 692213), (157, 123452), (314, 61726), (628, 30863), (1099, 17636), (2198, 8818), (4396, 4409)]