19455088

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{63997}}^1$

素因数の和:64024

約数の個数: 20

約数和(自身を含む): 39678760

約数和(自身を除く): 20223672

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 63997, 127994, 255988, 511976, 1023952, 1215943, 2431886, 4863772, 9727544, 19455088]

約数ペア:

[(1, 19455088), (2, 9727544), (4, 4863772), (8, 2431886), (16, 1215943), (19, 1023952), (38, 511976), (76, 255988), (152, 127994), (304, 63997)]