19955674

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{3121}}^1$

素因数の和:3285

約数の個数: 16

約数和(自身を含む): 31469760

約数和(自身を除く): 11514086

約数列:

[1, 2, 23, 46, 139, 278, 3121, 3197, 6242, 6394, 71783, 143566, 433819, 867638, 9977837, 19955674]

約数ペア:

[(1, 19955674), (2, 9977837), (23, 867638), (46, 433819), (139, 143566), (278, 71783), (3121, 6394), (3197, 6242)]