18676448

素因数分解:

$2^5\times 7^2\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:344

約数の個数: 72

約数和(自身を含む): 43925112

約数和(自身を除く): 25248664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 86, 98, 112, 172, 196, 224, 277, 301, 344, 392, 554, 602, 688, 784, 1108, 1204, 1376, 1568, 1939, 2107, 2216, 2408, 3878, 4214, 4432, 4816, 7756, 8428, 8864, 9632, 11911, 13573, 15512, 16856, 23822, 27146, 31024, 33712, 47644, 54292, 62048, 67424, 83377, 95288, 108584, 166754, 190576, 217168, 333508, 381152, 434336, 583639, 667016, 1167278, 1334032, 2334556, 2668064, 4669112, 9338224, 18676448]

約数ペア:

[(1, 18676448), (2, 9338224), (4, 4669112), (7, 2668064), (8, 2334556), (14, 1334032), (16, 1167278), (28, 667016), (32, 583639), (43, 434336), (49, 381152), (56, 333508), (86, 217168), (98, 190576), (112, 166754), (172, 108584), (196, 95288), (224, 83377), (277, 67424), (301, 62048), (344, 54292), (392, 47644), (554, 33712), (602, 31024), (688, 27146), (784, 23822), (1108, 16856), (1204, 15512), (1376, 13573), (1568, 11911), (1939, 9632), (2107, 8864), (2216, 8428), (2408, 7756), (3878, 4816), (4214, 4432)]