18867464

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 44668800

約数和(自身を除く): 25801336

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 109, 154, 218, 281, 308, 436, 562, 616, 763, 872, 1124, 1199, 1526, 1967, 2248, 2398, 3052, 3091, 3934, 4796, 6104, 6182, 7868, 8393, 9592, 12364, 15736, 16786, 21637, 24728, 30629, 33572, 43274, 61258, 67144, 86548, 122516, 173096, 214403, 245032, 336919, 428806, 673838, 857612, 1347676, 1715224, 2358433, 2695352, 4716866, 9433732, 18867464]

約数ペア:

[(1, 18867464), (2, 9433732), (4, 4716866), (7, 2695352), (8, 2358433), (11, 1715224), (14, 1347676), (22, 857612), (28, 673838), (44, 428806), (56, 336919), (77, 245032), (88, 214403), (109, 173096), (154, 122516), (218, 86548), (281, 67144), (308, 61258), (436, 43274), (562, 33572), (616, 30629), (763, 24728), (872, 21637), (1124, 16786), (1199, 15736), (1526, 12364), (1967, 9592), (2248, 8393), (2398, 7868), (3052, 6182), (3091, 6104), (3934, 4796)]