19355138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4421}}^1$

素因数の和:4633

約数の個数: 16

約数和(自身を含む): 31838400

約数和(自身を除く): 12483262

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 4421, 8842, 48631, 97262, 879779, 1759558, 9677569, 19355138]

約数ペア:

[(1, 19355138), (2, 9677569), (11, 1759558), (22, 879779), (199, 97262), (398, 48631), (2189, 8842), (4378, 4421)]