18308780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6883}}^1$

素因数の和:6918

約数の個数: 48

約数和(自身を含む): 46260480

約数和(自身を除く): 27951700

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, 6883, 13766, 27532, 34415, 48181, 68830, 96362, 130777, 137660, 192724, 240905, 261554, 481810, 523108, 653885, 915439, 963620, 1307770, 1830878, 2615540, 3661756, 4577195, 9154390, 18308780]

約数ペア:

[(1, 18308780), (2, 9154390), (4, 4577195), (5, 3661756), (7, 2615540), (10, 1830878), (14, 1307770), (19, 963620), (20, 915439), (28, 653885), (35, 523108), (38, 481810), (70, 261554), (76, 240905), (95, 192724), (133, 137660), (140, 130777), (190, 96362), (266, 68830), (380, 48181), (532, 34415), (665, 27532), (1330, 13766), (2660, 6883)]