19857677

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:476

約数の個数: 16

約数和(自身を含む): 23232000

約数和(自身を除く): 3374323

約数列:

[1, 7, 79, 149, 241, 553, 1043, 1687, 11771, 19039, 35909, 82397, 133273, 251363, 2836811, 19857677]

約数ペア:

[(1, 19857677), (7, 2836811), (79, 251363), (149, 133273), (241, 82397), (553, 35909), (1043, 19039), (1687, 11771)]