18080216

素因数分解:

$2^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{599}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 43200000

約数和(自身を除く): 25119784

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 343, 392, 539, 599, 616, 686, 1078, 1198, 1372, 2156, 2396, 2744, 3773, 4193, 4312, 4792, 6589, 7546, 8386, 13178, 15092, 16772, 26356, 29351, 30184, 33544, 46123, 52712, 58702, 92246, 117404, 184492, 205457, 234808, 322861, 368984, 410914, 645722, 821828, 1291444, 1643656, 2260027, 2582888, 4520054, 9040108, 18080216]

約数ペア:

[(1, 18080216), (2, 9040108), (4, 4520054), (7, 2582888), (8, 2260027), (11, 1643656), (14, 1291444), (22, 821828), (28, 645722), (44, 410914), (49, 368984), (56, 322861), (77, 234808), (88, 205457), (98, 184492), (154, 117404), (196, 92246), (308, 58702), (343, 52712), (392, 46123), (539, 33544), (599, 30184), (616, 29351), (686, 26356), (1078, 16772), (1198, 15092), (1372, 13178), (2156, 8386), (2396, 7546), (2744, 6589), (3773, 4792), (4193, 4312)]