18502812

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 49795200

約数和(自身を除く): 31292388

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, 479, 522, 666, 958, 1044, 1073, 1332, 1437, 1916, 2146, 2874, 3219, 4292, 4311, 5748, 6438, 8622, 9657, 12876, 13891, 17244, 17723, 19314, 27782, 35446, 38628, 41673, 53169, 55564, 70892, 83346, 106338, 125019, 159507, 166692, 212676, 250038, 319014, 500076, 513967, 638028, 1027934, 1541901, 2055868, 3083802, 4625703, 6167604, 9251406, 18502812]

約数ペア:

[(1, 18502812), (2, 9251406), (3, 6167604), (4, 4625703), (6, 3083802), (9, 2055868), (12, 1541901), (18, 1027934), (29, 638028), (36, 513967), (37, 500076), (58, 319014), (74, 250038), (87, 212676), (111, 166692), (116, 159507), (148, 125019), (174, 106338), (222, 83346), (261, 70892), (333, 55564), (348, 53169), (444, 41673), (479, 38628), (522, 35446), (666, 27782), (958, 19314), (1044, 17723), (1073, 17244), (1332, 13891), (1437, 12876), (1916, 9657), (2146, 8622), (2874, 6438), (3219, 5748), (4292, 4311)]