18069513

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 33177600

約数和(自身を除く): 15108087

約数列:

[1, 3, 7, 11, 19, 21, 23, 33, 57, 69, 77, 133, 161, 179, 209, 231, 253, 399, 437, 483, 537, 627, 759, 1253, 1311, 1463, 1771, 1969, 3059, 3401, 3759, 4117, 4389, 4807, 5313, 5907, 9177, 10203, 12351, 13783, 14421, 23807, 28819, 33649, 37411, 41349, 45287, 71421, 78223, 86457, 100947, 112233, 135861, 234669, 261877, 317009, 547561, 785631, 860453, 951027, 1642683, 2581359, 6023171, 18069513]

約数ペア:

[(1, 18069513), (3, 6023171), (7, 2581359), (11, 1642683), (19, 951027), (21, 860453), (23, 785631), (33, 547561), (57, 317009), (69, 261877), (77, 234669), (133, 135861), (161, 112233), (179, 100947), (209, 86457), (231, 78223), (253, 71421), (399, 45287), (437, 41349), (483, 37411), (537, 33649), (627, 28819), (759, 23807), (1253, 14421), (1311, 13783), (1463, 12351), (1771, 10203), (1969, 9177), (3059, 5907), (3401, 5313), (3759, 4807), (4117, 4389)]