17949540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42737}}^1$

素因数の和:42756

約数の個数: 48

約数和(自身を含む): 57439872

約数和(自身を除く): 39490332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 42737, 85474, 128211, 170948, 213685, 256422, 299159, 427370, 512844, 598318, 641055, 854740, 897477, 1196636, 1282110, 1495795, 1794954, 2564220, 2991590, 3589908, 4487385, 5983180, 8974770, 17949540]

約数ペア:

[(1, 17949540), (2, 8974770), (3, 5983180), (4, 4487385), (5, 3589908), (6, 2991590), (7, 2564220), (10, 1794954), (12, 1495795), (14, 1282110), (15, 1196636), (20, 897477), (21, 854740), (28, 641055), (30, 598318), (35, 512844), (42, 427370), (60, 299159), (70, 256422), (84, 213685), (105, 170948), (140, 128211), (210, 85474), (420, 42737)]