18926754

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 47941632

約数和(自身を除く): 29014878

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 71, 77, 142, 154, 213, 231, 426, 462, 497, 577, 781, 994, 1154, 1491, 1562, 1731, 2343, 2982, 3462, 4039, 4686, 5467, 6347, 8078, 10934, 12117, 12694, 16401, 19041, 24234, 32802, 38082, 40967, 44429, 81934, 88858, 122901, 133287, 245802, 266574, 286769, 450637, 573538, 860307, 901274, 1351911, 1720614, 2703822, 3154459, 6308918, 9463377, 18926754]

約数ペア:

[(1, 18926754), (2, 9463377), (3, 6308918), (6, 3154459), (7, 2703822), (11, 1720614), (14, 1351911), (21, 901274), (22, 860307), (33, 573538), (42, 450637), (66, 286769), (71, 266574), (77, 245802), (142, 133287), (154, 122901), (213, 88858), (231, 81934), (426, 44429), (462, 40967), (497, 38082), (577, 32802), (781, 24234), (994, 19041), (1154, 16401), (1491, 12694), (1562, 12117), (1731, 10934), (2343, 8078), (2982, 6347), (3462, 5467), (4039, 4686)]