9719138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2042

約数の個数: 32

約数和(自身を含む): 18144000

約数和(自身を除く): 8424862

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 1999, 2431, 3998, 4862, 21989, 25987, 33983, 43978, 51974, 67966, 285857, 373813, 441779, 571714, 747626, 883558, 4859569, 9719138]

約数ペア:

[(1, 9719138), (2, 4859569), (11, 883558), (13, 747626), (17, 571714), (22, 441779), (26, 373813), (34, 285857), (143, 67966), (187, 51974), (221, 43978), (286, 33983), (374, 25987), (442, 21989), (1999, 4862), (2431, 3998)]