15388670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 32832000

約数和(自身を除く): 17443330

約数列:

[1, 2, 5, 10, 11, 19, 22, 37, 38, 55, 74, 95, 110, 185, 190, 199, 209, 370, 398, 407, 418, 703, 814, 995, 1045, 1406, 1990, 2035, 2090, 2189, 3515, 3781, 4070, 4378, 7030, 7363, 7562, 7733, 10945, 14726, 15466, 18905, 21890, 36815, 37810, 38665, 41591, 73630, 77330, 80993, 83182, 139897, 161986, 207955, 279794, 404965, 415910, 699485, 809930, 1398970, 1538867, 3077734, 7694335, 15388670]

約数ペア:

[(1, 15388670), (2, 7694335), (5, 3077734), (10, 1538867), (11, 1398970), (19, 809930), (22, 699485), (37, 415910), (38, 404965), (55, 279794), (74, 207955), (95, 161986), (110, 139897), (185, 83182), (190, 80993), (199, 77330), (209, 73630), (370, 41591), (398, 38665), (407, 37810), (418, 36815), (703, 21890), (814, 18905), (995, 15466), (1045, 14726), (1406, 10945), (1990, 7733), (2035, 7562), (2090, 7363), (2189, 7030), (3515, 4378), (3781, 4070)]