18394240

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{701}}^1$

素因数の和:761

約数の個数: 64

約数和(自身を含む): 45110520

約数和(自身を除く): 26716280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 701, 820, 1312, 1402, 1640, 2624, 2804, 3280, 3505, 5248, 5608, 6560, 7010, 11216, 13120, 14020, 22432, 26240, 28040, 28741, 44864, 56080, 57482, 89728, 112160, 114964, 143705, 224320, 229928, 287410, 448640, 459856, 574820, 919712, 1149640, 1839424, 2299280, 3678848, 4598560, 9197120, 18394240]

約数ペア:

[(1, 18394240), (2, 9197120), (4, 4598560), (5, 3678848), (8, 2299280), (10, 1839424), (16, 1149640), (20, 919712), (32, 574820), (40, 459856), (41, 448640), (64, 287410), (80, 229928), (82, 224320), (128, 143705), (160, 114964), (164, 112160), (205, 89728), (320, 57482), (328, 56080), (410, 44864), (640, 28741), (656, 28040), (701, 26240), (820, 22432), (1312, 14020), (1402, 13120), (1640, 11216), (2624, 7010), (2804, 6560), (3280, 5608), (3505, 5248)]