1816684812

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{19891}}^1$

素因数の和:20003

約数の個数: 72

約数和(自身を含む): 4778854080

約数和(自身を除く): 2962169268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 59, 86, 118, 129, 172, 177, 236, 258, 354, 387, 516, 531, 708, 774, 1062, 1548, 2124, 2537, 5074, 7611, 10148, 15222, 19891, 22833, 30444, 39782, 45666, 59673, 79564, 91332, 119346, 179019, 238692, 358038, 716076, 855313, 1173569, 1710626, 2347138, 2565939, 3421252, 3520707, 4694276, 5131878, 7041414, 7697817, 10263756, 10562121, 14082828, 15395634, 21124242, 30791268, 42248484, 50463467, 100926934, 151390401, 201853868, 302780802, 454171203, 605561604, 908342406, 1816684812]

約数ペア:

[(1, 1816684812), (2, 908342406), (3, 605561604), (4, 454171203), (6, 302780802), (9, 201853868), (12, 151390401), (18, 100926934), (36, 50463467), (43, 42248484), (59, 30791268), (86, 21124242), (118, 15395634), (129, 14082828), (172, 10562121), (177, 10263756), (236, 7697817), (258, 7041414), (354, 5131878), (387, 4694276), (516, 3520707), (531, 3421252), (708, 2565939), (774, 2347138), (1062, 1710626), (1548, 1173569), (2124, 855313), (2537, 716076), (5074, 358038), (7611, 238692), (10148, 179019), (15222, 119346), (19891, 91332), (22833, 79564), (30444, 59673), (39782, 45666)]