19880326

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:276

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 12633722

約数列:

[1, 2, 23, 41, 46, 82, 83, 127, 166, 254, 943, 1886, 1909, 2921, 3403, 3818, 5207, 5842, 6806, 10414, 10541, 21082, 78269, 119761, 156538, 239522, 242443, 432181, 484886, 864362, 9940163, 19880326]

約数ペア:

[(1, 19880326), (2, 9940163), (23, 864362), (41, 484886), (46, 432181), (82, 242443), (83, 239522), (127, 156538), (166, 119761), (254, 78269), (943, 21082), (1886, 10541), (1909, 10414), (2921, 6806), (3403, 5842), (3818, 5207)]