18701474

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 31990464

約数和(自身を除く): 13288990

約数列:

[1, 2, 11, 22, 43, 53, 86, 106, 373, 473, 583, 746, 946, 1166, 2279, 4103, 4558, 8206, 16039, 19769, 25069, 32078, 39538, 50138, 176429, 217459, 352858, 434918, 850067, 1700134, 9350737, 18701474]

約数ペア:

[(1, 18701474), (2, 9350737), (11, 1700134), (22, 850067), (43, 434918), (53, 352858), (86, 217459), (106, 176429), (373, 50138), (473, 39538), (583, 32078), (746, 25069), (946, 19769), (1166, 16039), (2279, 8206), (4103, 4558)]