18855018

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1313

約数の個数: 80

約数和(自身を含む): 52039680

約数和(自身を除く): 33184662

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 117, 126, 162, 182, 189, 234, 273, 351, 378, 546, 567, 702, 819, 1053, 1134, 1279, 1638, 2106, 2457, 2558, 3837, 4914, 7371, 7674, 8953, 11511, 14742, 16627, 17906, 23022, 26859, 33254, 34533, 49881, 53718, 69066, 80577, 99762, 103599, 116389, 149643, 161154, 207198, 232778, 241731, 299286, 349167, 448929, 483462, 698334, 725193, 897858, 1047501, 1346787, 1450386, 2095002, 2693574, 3142503, 6285006, 9427509, 18855018]

約数ペア:

[(1, 18855018), (2, 9427509), (3, 6285006), (6, 3142503), (7, 2693574), (9, 2095002), (13, 1450386), (14, 1346787), (18, 1047501), (21, 897858), (26, 725193), (27, 698334), (39, 483462), (42, 448929), (54, 349167), (63, 299286), (78, 241731), (81, 232778), (91, 207198), (117, 161154), (126, 149643), (162, 116389), (182, 103599), (189, 99762), (234, 80577), (273, 69066), (351, 53718), (378, 49881), (546, 34533), (567, 33254), (702, 26859), (819, 23022), (1053, 17906), (1134, 16627), (1279, 14742), (1638, 11511), (2106, 8953), (2457, 7674), (2558, 7371), (3837, 4914)]