19068399

素因数分解:

$3^3\times 7^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 64

約数和(自身を含む): 34560000

約数和(自身を除く): 15491601

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 71, 87, 147, 189, 203, 213, 261, 343, 441, 497, 609, 639, 783, 1029, 1323, 1421, 1491, 1827, 1917, 2059, 3087, 3479, 4263, 4473, 5481, 6177, 9261, 9947, 10437, 12789, 13419, 14413, 18531, 24353, 29841, 31311, 38367, 43239, 55593, 73059, 89523, 93933, 100891, 129717, 219177, 268569, 302673, 389151, 657531, 706237, 908019, 2118711, 2724057, 6356133, 19068399]

約数ペア:

[(1, 19068399), (3, 6356133), (7, 2724057), (9, 2118711), (21, 908019), (27, 706237), (29, 657531), (49, 389151), (63, 302673), (71, 268569), (87, 219177), (147, 129717), (189, 100891), (203, 93933), (213, 89523), (261, 73059), (343, 55593), (441, 43239), (497, 38367), (609, 31311), (639, 29841), (783, 24353), (1029, 18531), (1323, 14413), (1421, 13419), (1491, 12789), (1827, 10437), (1917, 9947), (2059, 9261), (3087, 6177), (3479, 5481), (4263, 4473)]