19155916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{947}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 36232560

約数和(自身を除く): 17076644

約数列:

[1, 2, 4, 13, 26, 52, 389, 778, 947, 1556, 1894, 3788, 5057, 10114, 12311, 20228, 24622, 49244, 368383, 736766, 1473532, 4788979, 9577958, 19155916]

約数ペア:

[(1, 19155916), (2, 9577958), (4, 4788979), (13, 1473532), (26, 736766), (52, 368383), (389, 49244), (778, 24622), (947, 20228), (1556, 12311), (1894, 10114), (3788, 5057)]