19772698

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{5021}}^1$

素因数の和:5213

約数の個数: 16

約数和(自身を含む): 32542560

約数和(自身を除く): 12769862

約数列:

[1, 2, 11, 22, 179, 358, 1969, 3938, 5021, 10042, 55231, 110462, 898759, 1797518, 9886349, 19772698]

約数ペア:

[(1, 19772698), (2, 9886349), (11, 1797518), (22, 898759), (179, 110462), (358, 55231), (1969, 10042), (3938, 5021)]