19174408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1999}}^1$

素因数の和:2125

約数の個数: 32

約数和(自身を含む): 39600000

約数和(自身を除く): 20425592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 218, 436, 872, 1199, 1999, 2398, 3998, 4796, 7996, 9592, 15992, 21989, 43978, 87956, 175912, 217891, 435782, 871564, 1743128, 2396801, 4793602, 9587204, 19174408]

約数ペア:

[(1, 19174408), (2, 9587204), (4, 4793602), (8, 2396801), (11, 1743128), (22, 871564), (44, 435782), (88, 217891), (109, 175912), (218, 87956), (436, 43978), (872, 21989), (1199, 15992), (1999, 9592), (2398, 7996), (3998, 4796)]