19206187

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2741}}^1$

素因数の和:2779

約数の個数: 24

約数和(自身を含む): 26257392

約数和(自身を除く): 7051205

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 2741, 7007, 19187, 30151, 35633, 134309, 211057, 249431, 391963, 1477399, 1746017, 2743741, 19206187]

約数ペア:

[(1, 19206187), (7, 2743741), (11, 1746017), (13, 1477399), (49, 391963), (77, 249431), (91, 211057), (143, 134309), (539, 35633), (637, 30151), (1001, 19187), (2741, 7007)]