18067938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 42964992

約数和(自身を除く): 24897054

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 73, 83, 142, 146, 166, 213, 219, 249, 426, 438, 497, 498, 511, 581, 994, 1022, 1162, 1491, 1533, 1743, 2982, 3066, 3486, 5183, 5893, 6059, 10366, 11786, 12118, 15549, 17679, 18177, 31098, 35358, 36281, 36354, 41251, 42413, 72562, 82502, 84826, 108843, 123753, 127239, 217686, 247506, 254478, 430189, 860378, 1290567, 2581134, 3011323, 6022646, 9033969, 18067938]

約数ペア:

[(1, 18067938), (2, 9033969), (3, 6022646), (6, 3011323), (7, 2581134), (14, 1290567), (21, 860378), (42, 430189), (71, 254478), (73, 247506), (83, 217686), (142, 127239), (146, 123753), (166, 108843), (213, 84826), (219, 82502), (249, 72562), (426, 42413), (438, 41251), (497, 36354), (498, 36281), (511, 35358), (581, 31098), (994, 18177), (1022, 17679), (1162, 15549), (1491, 12118), (1533, 11786), (1743, 10366), (2982, 6059), (3066, 5893), (3486, 5183)]