19555678

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{7879}}^1$

素因数の和:7971

約数の個数: 16

約数和(自身を含む): 31488480

約数和(自身を除く): 11932802

約数列:

[1, 2, 17, 34, 73, 146, 1241, 2482, 7879, 15758, 133943, 267886, 575167, 1150334, 9777839, 19555678]

約数ペア:

[(1, 19555678), (2, 9777839), (17, 1150334), (34, 575167), (73, 267886), (146, 133943), (1241, 15758), (2482, 7879)]