18986616

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 128

約数和(自身を含む): 58924800

約数和(自身を除く): 39938184

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 61, 66, 72, 88, 99, 108, 122, 131, 132, 183, 198, 216, 244, 262, 264, 297, 366, 393, 396, 488, 524, 549, 594, 671, 732, 786, 792, 1048, 1098, 1179, 1188, 1342, 1441, 1464, 1572, 1647, 2013, 2196, 2358, 2376, 2684, 2882, 3144, 3294, 3537, 4026, 4323, 4392, 4716, 5368, 5764, 6039, 6588, 7074, 7991, 8052, 8646, 9432, 11528, 12078, 12969, 13176, 14148, 15982, 16104, 17292, 18117, 23973, 24156, 25938, 28296, 31964, 34584, 36234, 38907, 47946, 48312, 51876, 63928, 71919, 72468, 77814, 87901, 95892, 103752, 143838, 144936, 155628, 175802, 191784, 215757, 263703, 287676, 311256, 351604, 431514, 527406, 575352, 703208, 791109, 863028, 1054812, 1582218, 1726056, 2109624, 2373327, 3164436, 4746654, 6328872, 9493308, 18986616]

約数ペア:

[(1, 18986616), (2, 9493308), (3, 6328872), (4, 4746654), (6, 3164436), (8, 2373327), (9, 2109624), (11, 1726056), (12, 1582218), (18, 1054812), (22, 863028), (24, 791109), (27, 703208), (33, 575352), (36, 527406), (44, 431514), (54, 351604), (61, 311256), (66, 287676), (72, 263703), (88, 215757), (99, 191784), (108, 175802), (122, 155628), (131, 144936), (132, 143838), (183, 103752), (198, 95892), (216, 87901), (244, 77814), (262, 72468), (264, 71919), (297, 63928), (366, 51876), (393, 48312), (396, 47946), (488, 38907), (524, 36234), (549, 34584), (594, 31964), (671, 28296), (732, 25938), (786, 24156), (792, 23973), (1048, 18117), (1098, 17292), (1179, 16104), (1188, 15982), (1342, 14148), (1441, 13176), (1464, 12969), (1572, 12078), (1647, 11528), (2013, 9432), (2196, 8646), (2358, 8052), (2376, 7991), (2684, 7074), (2882, 6588), (3144, 6039), (3294, 5764), (3537, 5368), (4026, 4716), (4323, 4392)]