19879684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{9613}}^1$

素因数の和:9675

約数の個数: 24

約数和(自身を含む): 38763648

約数和(自身を除く): 18883964

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 9613, 19226, 38452, 105743, 211486, 422972, 451811, 903622, 1807244, 4969921, 9939842, 19879684]

約数ペア:

[(1, 19879684), (2, 9939842), (4, 4969921), (11, 1807244), (22, 903622), (44, 451811), (47, 422972), (94, 211486), (188, 105743), (517, 38452), (1034, 19226), (2068, 9613)]