17909780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6733}}^1$

素因数の和:6768

約数の個数: 48

約数和(自身を含む): 45252480

約数和(自身を除く): 27342700

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6733, 13466, 26932, 33665, 47131, 67330, 94262, 127927, 134660, 188524, 235655, 255854, 471310, 511708, 639635, 895489, 942620, 1279270, 1790978, 2558540, 3581956, 4477445, 8954890, 17909780]

約数ペア:

[(1, 17909780), (2, 8954890), (4, 4477445), (5, 3581956), (7, 2558540), (10, 1790978), (14, 1279270), (19, 942620), (20, 895489), (28, 639635), (35, 511708), (38, 471310), (70, 255854), (76, 235655), (95, 188524), (133, 134660), (140, 127927), (190, 94262), (266, 67330), (380, 47131), (532, 33665), (665, 26932), (1330, 13466), (2660, 6733)]