19847478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{472559}}^1$

素因数の和:472571

約数の個数: 16

約数和(自身を含む): 45365760

約数和(自身を除く): 25518282

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 472559, 945118, 1417677, 2835354, 3307913, 6615826, 9923739, 19847478]

約数ペア:

[(1, 19847478), (2, 9923739), (3, 6615826), (6, 3307913), (7, 2835354), (14, 1417677), (21, 945118), (42, 472559)]