19218226

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{443}}^1$

素因数の和:753

約数の個数: 16

約数和(自身を含む): 29304000

約数和(自身を除く): 10085774

約数列:

[1, 2, 109, 199, 218, 398, 443, 886, 21691, 43382, 48287, 88157, 96574, 176314, 9609113, 19218226]

約数ペア:

[(1, 19218226), (2, 9609113), (109, 176314), (199, 96574), (218, 88157), (398, 48287), (443, 43382), (886, 21691)]