18409716

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 50654240

約数和(自身を除く): 32244524

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 278, 283, 417, 468, 556, 566, 834, 849, 1132, 1251, 1668, 1698, 1807, 2502, 2547, 3396, 3614, 3679, 5004, 5094, 5421, 7228, 7358, 10188, 10842, 11037, 14716, 16263, 21684, 22074, 32526, 33111, 39337, 44148, 65052, 66222, 78674, 118011, 132444, 157348, 236022, 354033, 472044, 511381, 708066, 1022762, 1416132, 1534143, 2045524, 3068286, 4602429, 6136572, 9204858, 18409716]

約数ペア:

[(1, 18409716), (2, 9204858), (3, 6136572), (4, 4602429), (6, 3068286), (9, 2045524), (12, 1534143), (13, 1416132), (18, 1022762), (26, 708066), (36, 511381), (39, 472044), (52, 354033), (78, 236022), (117, 157348), (139, 132444), (156, 118011), (234, 78674), (278, 66222), (283, 65052), (417, 44148), (468, 39337), (556, 33111), (566, 32526), (834, 22074), (849, 21684), (1132, 16263), (1251, 14716), (1668, 11037), (1698, 10842), (1807, 10188), (2502, 7358), (2547, 7228), (3396, 5421), (3614, 5094), (3679, 5004)]