19127668

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^2\times {\mathrm{499}}^1$

素因数の和:584

約数の個数: 36

約数和(自身を含む): 39396000

約数和(自身を除く): 20268332

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 499, 518, 998, 1036, 1369, 1996, 2738, 3493, 5476, 6986, 9583, 13972, 18463, 19166, 36926, 38332, 73852, 129241, 258482, 516964, 683131, 1366262, 2732524, 4781917, 9563834, 19127668]

約数ペア:

[(1, 19127668), (2, 9563834), (4, 4781917), (7, 2732524), (14, 1366262), (28, 683131), (37, 516964), (74, 258482), (148, 129241), (259, 73852), (499, 38332), (518, 36926), (998, 19166), (1036, 18463), (1369, 13972), (1996, 9583), (2738, 6986), (3493, 5476)]