2018911132

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^2\times {\mathrm{4663}}^1$

素因数の和:4775

約数の個数: 54

約数和(自身を含む): 4200132552

約数和(自身を除く): 2181221420

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 658, 1316, 2209, 2303, 4418, 4606, 4663, 8836, 9212, 9326, 15463, 18652, 30926, 32641, 61852, 65282, 108241, 130564, 216482, 219161, 228487, 432964, 438322, 456974, 876644, 913948, 1534127, 3068254, 6136508, 10300567, 10738889, 20601134, 21477778, 41202268, 42955556, 72103969, 144207938, 288415876, 504727783, 1009455566, 2018911132]

約数ペア:

[(1, 2018911132), (2, 1009455566), (4, 504727783), (7, 288415876), (14, 144207938), (28, 72103969), (47, 42955556), (49, 41202268), (94, 21477778), (98, 20601134), (188, 10738889), (196, 10300567), (329, 6136508), (658, 3068254), (1316, 1534127), (2209, 913948), (2303, 876644), (4418, 456974), (4606, 438322), (4663, 432964), (8836, 228487), (9212, 219161), (9326, 216482), (15463, 130564), (18652, 108241), (30926, 65282), (32641, 61852)]