19969454

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{1949}}^1$

素因数の和:2107

約数の個数: 16

約数和(自身を含む): 30888000

約数和(自身を除く): 10918546

約数列:

[1, 2, 47, 94, 109, 218, 1949, 3898, 5123, 10246, 91603, 183206, 212441, 424882, 9984727, 19969454]

約数ペア:

[(1, 19969454), (2, 9984727), (47, 424882), (94, 212441), (109, 183206), (218, 91603), (1949, 10246), (3898, 5123)]