19989892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{22613}}^1$

素因数の和:22647

約数の個数: 24

約数和(自身を含む): 39891096

約数和(自身を除く): 19901204

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 22613, 45226, 90452, 293969, 384421, 587938, 768842, 1175876, 1537684, 4997473, 9994946, 19989892]

約数ペア:

[(1, 19989892), (2, 9994946), (4, 4997473), (13, 1537684), (17, 1175876), (26, 768842), (34, 587938), (52, 384421), (68, 293969), (221, 90452), (442, 45226), (884, 22613)]