19768790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1129}}^1$

素因数の和:1256

約数の個数: 32

約数和(自身を含む): 38076480

約数和(自身を除く): 18307690

約数列:

[1, 2, 5, 10, 17, 34, 85, 103, 170, 206, 515, 1030, 1129, 1751, 2258, 3502, 5645, 8755, 11290, 17510, 19193, 38386, 95965, 116287, 191930, 232574, 581435, 1162870, 1976879, 3953758, 9884395, 19768790]

約数ペア:

[(1, 19768790), (2, 9884395), (5, 3953758), (10, 1976879), (17, 1162870), (34, 581435), (85, 232574), (103, 191930), (170, 116287), (206, 95965), (515, 38386), (1030, 19193), (1129, 17510), (1751, 11290), (2258, 8755), (3502, 5645)]