18039276

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 48550320

約数和(自身を除く): 30511044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 37, 58, 74, 87, 111, 116, 148, 174, 222, 261, 333, 348, 444, 467, 522, 666, 934, 1044, 1073, 1332, 1401, 1868, 2146, 2802, 3219, 4203, 4292, 5604, 6438, 8406, 9657, 12876, 13543, 16812, 17279, 19314, 27086, 34558, 38628, 40629, 51837, 54172, 69116, 81258, 103674, 121887, 155511, 162516, 207348, 243774, 311022, 487548, 501091, 622044, 1002182, 1503273, 2004364, 3006546, 4509819, 6013092, 9019638, 18039276]

約数ペア:

[(1, 18039276), (2, 9019638), (3, 6013092), (4, 4509819), (6, 3006546), (9, 2004364), (12, 1503273), (18, 1002182), (29, 622044), (36, 501091), (37, 487548), (58, 311022), (74, 243774), (87, 207348), (111, 162516), (116, 155511), (148, 121887), (174, 103674), (222, 81258), (261, 69116), (333, 54172), (348, 51837), (444, 40629), (467, 38628), (522, 34558), (666, 27086), (934, 19314), (1044, 17279), (1073, 16812), (1332, 13543), (1401, 12876), (1868, 9657), (2146, 8406), (2802, 6438), (3219, 5604), (4203, 4292)]