18782568

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 58968000

約数和(自身を除く): 40185432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 83, 84, 126, 166, 168, 249, 252, 332, 449, 498, 504, 581, 664, 747, 898, 996, 1162, 1347, 1494, 1743, 1796, 1992, 2324, 2694, 2988, 3143, 3486, 3592, 4041, 4648, 5229, 5388, 5976, 6286, 6972, 8082, 9429, 10458, 10776, 12572, 13944, 16164, 18858, 20916, 25144, 28287, 32328, 37267, 37716, 41832, 56574, 74534, 75432, 111801, 113148, 149068, 223602, 226296, 260869, 298136, 335403, 447204, 521738, 670806, 782607, 894408, 1043476, 1341612, 1565214, 2086952, 2347821, 2683224, 3130428, 4695642, 6260856, 9391284, 18782568]

約数ペア:

[(1, 18782568), (2, 9391284), (3, 6260856), (4, 4695642), (6, 3130428), (7, 2683224), (8, 2347821), (9, 2086952), (12, 1565214), (14, 1341612), (18, 1043476), (21, 894408), (24, 782607), (28, 670806), (36, 521738), (42, 447204), (56, 335403), (63, 298136), (72, 260869), (83, 226296), (84, 223602), (126, 149068), (166, 113148), (168, 111801), (249, 75432), (252, 74534), (332, 56574), (449, 41832), (498, 37716), (504, 37267), (581, 32328), (664, 28287), (747, 25144), (898, 20916), (996, 18858), (1162, 16164), (1347, 13944), (1494, 12572), (1743, 10776), (1796, 10458), (1992, 9429), (2324, 8082), (2694, 6972), (2988, 6286), (3143, 5976), (3486, 5388), (3592, 5229), (4041, 4648)]