17966718

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 51840000

約数和(自身を除く): 33873282

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 29, 33, 42, 54, 58, 63, 66, 77, 87, 99, 126, 149, 154, 174, 189, 198, 203, 231, 261, 297, 298, 319, 378, 406, 447, 462, 522, 594, 609, 638, 693, 783, 894, 957, 1043, 1218, 1341, 1386, 1566, 1639, 1827, 1914, 2079, 2086, 2233, 2682, 2871, 3129, 3278, 3654, 4023, 4158, 4321, 4466, 4917, 5481, 5742, 6258, 6699, 8046, 8613, 8642, 9387, 9834, 10962, 11473, 12963, 13398, 14751, 17226, 18774, 20097, 22946, 25926, 28161, 29502, 30247, 34419, 38889, 40194, 44253, 47531, 56322, 60291, 60494, 68838, 77778, 88506, 90741, 95062, 103257, 116667, 120582, 142593, 181482, 206514, 233334, 272223, 285186, 309771, 332717, 427779, 544446, 619542, 665434, 816669, 855558, 998151, 1283337, 1633338, 1996302, 2566674, 2994453, 5988906, 8983359, 17966718]

約数ペア:

[(1, 17966718), (2, 8983359), (3, 5988906), (6, 2994453), (7, 2566674), (9, 1996302), (11, 1633338), (14, 1283337), (18, 998151), (21, 855558), (22, 816669), (27, 665434), (29, 619542), (33, 544446), (42, 427779), (54, 332717), (58, 309771), (63, 285186), (66, 272223), (77, 233334), (87, 206514), (99, 181482), (126, 142593), (149, 120582), (154, 116667), (174, 103257), (189, 95062), (198, 90741), (203, 88506), (231, 77778), (261, 68838), (297, 60494), (298, 60291), (319, 56322), (378, 47531), (406, 44253), (447, 40194), (462, 38889), (522, 34419), (594, 30247), (609, 29502), (638, 28161), (693, 25926), (783, 22946), (894, 20097), (957, 18774), (1043, 17226), (1218, 14751), (1341, 13398), (1386, 12963), (1566, 11473), (1639, 10962), (1827, 9834), (1914, 9387), (2079, 8642), (2086, 8613), (2233, 8046), (2682, 6699), (2871, 6258), (3129, 5742), (3278, 5481), (3654, 4917), (4023, 4466), (4158, 4321)]