18221976

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{2909}}^1$

素因数の和:2953

約数の個数: 64

約数和(自身を含む): 52380000

約数和(自身を除く): 34158024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 87, 108, 116, 174, 216, 232, 261, 348, 522, 696, 783, 1044, 1566, 2088, 2909, 3132, 5818, 6264, 8727, 11636, 17454, 23272, 26181, 34908, 52362, 69816, 78543, 84361, 104724, 157086, 168722, 209448, 253083, 314172, 337444, 506166, 628344, 674888, 759249, 1012332, 1518498, 2024664, 2277747, 3036996, 4555494, 6073992, 9110988, 18221976]

約数ペア:

[(1, 18221976), (2, 9110988), (3, 6073992), (4, 4555494), (6, 3036996), (8, 2277747), (9, 2024664), (12, 1518498), (18, 1012332), (24, 759249), (27, 674888), (29, 628344), (36, 506166), (54, 337444), (58, 314172), (72, 253083), (87, 209448), (108, 168722), (116, 157086), (174, 104724), (216, 84361), (232, 78543), (261, 69816), (348, 52362), (522, 34908), (696, 26181), (783, 23272), (1044, 17454), (1566, 11636), (2088, 8727), (2909, 6264), (3132, 5818)]