19486856

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{128203}}^1$

素因数の和:128228

約数の個数: 16

約数和(自身を含む): 38461200

約数和(自身を除く): 18974344

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 128203, 256406, 512812, 1025624, 2435857, 4871714, 9743428, 19486856]

約数ペア:

[(1, 19486856), (2, 9743428), (4, 4871714), (8, 2435857), (19, 1025624), (38, 512812), (76, 256406), (152, 128203)]