19810266

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{471673}}^1$

素因数の和:471685

約数の個数: 16

約数和(自身を含む): 45280704

約数和(自身を除く): 25470438

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 471673, 943346, 1415019, 2830038, 3301711, 6603422, 9905133, 19810266]

約数ペア:

[(1, 19810266), (2, 9905133), (3, 6603422), (6, 3301711), (7, 2830038), (14, 1415019), (21, 943346), (42, 471673)]