19899748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{5449}}^1$

素因数の和:5547

約数の個数: 24

約数和(自身を含む): 38455200

約数和(自身を除く): 18555452

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 332, 913, 1826, 3652, 5449, 10898, 21796, 59939, 119878, 239756, 452267, 904534, 1809068, 4974937, 9949874, 19899748]

約数ペア:

[(1, 19899748), (2, 9949874), (4, 4974937), (11, 1809068), (22, 904534), (44, 452267), (83, 239756), (166, 119878), (332, 59939), (913, 21796), (1826, 10898), (3652, 5449)]