19006689

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 28672000

約数和(自身を除く): 9665311

約数列:

[1, 3, 13, 31, 39, 79, 93, 199, 237, 403, 597, 1027, 1209, 2449, 2587, 3081, 6169, 7347, 7761, 15721, 18507, 31837, 47163, 80197, 95511, 204373, 240591, 487351, 613119, 1462053, 6335563, 19006689]

約数ペア:

[(1, 19006689), (3, 6335563), (13, 1462053), (31, 613119), (39, 487351), (79, 240591), (93, 204373), (199, 95511), (237, 80197), (403, 47163), (597, 31837), (1027, 18507), (1209, 15721), (2449, 7761), (2587, 7347), (3081, 6169)]