18217388

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 37847040

約数和(自身を除く): 19629652

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 109, 127, 188, 218, 254, 329, 436, 508, 658, 763, 889, 1316, 1526, 1778, 3052, 3556, 5123, 5969, 10246, 11938, 13843, 20492, 23876, 27686, 35861, 41783, 55372, 71722, 83566, 96901, 143444, 167132, 193802, 387604, 650621, 1301242, 2602484, 4554347, 9108694, 18217388]

約数ペア:

[(1, 18217388), (2, 9108694), (4, 4554347), (7, 2602484), (14, 1301242), (28, 650621), (47, 387604), (94, 193802), (109, 167132), (127, 143444), (188, 96901), (218, 83566), (254, 71722), (329, 55372), (436, 41783), (508, 35861), (658, 27686), (763, 23876), (889, 20492), (1316, 13843), (1526, 11938), (1778, 10246), (3052, 5969), (3556, 5123)]