18167856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:546

約数の個数: 80

約数和(自身を含む): 54163200

約数和(自身を除く): 35995344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 139, 168, 278, 336, 389, 417, 556, 778, 834, 973, 1112, 1167, 1556, 1668, 1946, 2224, 2334, 2723, 2919, 3112, 3336, 3892, 4668, 5446, 5838, 6224, 6672, 7784, 8169, 9336, 10892, 11676, 15568, 16338, 18672, 21784, 23352, 32676, 43568, 46704, 54071, 65352, 108142, 130704, 162213, 216284, 324426, 378497, 432568, 648852, 756994, 865136, 1135491, 1297704, 1513988, 2270982, 2595408, 3027976, 4541964, 6055952, 9083928, 18167856]

約数ペア:

[(1, 18167856), (2, 9083928), (3, 6055952), (4, 4541964), (6, 3027976), (7, 2595408), (8, 2270982), (12, 1513988), (14, 1297704), (16, 1135491), (21, 865136), (24, 756994), (28, 648852), (42, 432568), (48, 378497), (56, 324426), (84, 216284), (112, 162213), (139, 130704), (168, 108142), (278, 65352), (336, 54071), (389, 46704), (417, 43568), (556, 32676), (778, 23352), (834, 21784), (973, 18672), (1112, 16338), (1167, 15568), (1556, 11676), (1668, 10892), (1946, 9336), (2224, 8169), (2334, 7784), (2723, 6672), (2919, 6224), (3112, 5838), (3336, 5446), (3892, 4668)]