18662994

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 47980800

約数和(自身を除く): 29317806

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 97, 126, 189, 194, 291, 378, 509, 582, 679, 873, 1018, 1358, 1527, 1746, 2037, 2619, 3054, 3563, 4074, 4581, 5238, 6111, 7126, 9162, 10689, 12222, 13743, 18333, 21378, 27486, 32067, 36666, 49373, 64134, 96201, 98746, 148119, 192402, 296238, 345611, 444357, 691222, 888714, 1036833, 1333071, 2073666, 2666142, 3110499, 6220998, 9331497, 18662994]

約数ペア:

[(1, 18662994), (2, 9331497), (3, 6220998), (6, 3110499), (7, 2666142), (9, 2073666), (14, 1333071), (18, 1036833), (21, 888714), (27, 691222), (42, 444357), (54, 345611), (63, 296238), (97, 192402), (126, 148119), (189, 98746), (194, 96201), (291, 64134), (378, 49373), (509, 36666), (582, 32067), (679, 27486), (873, 21378), (1018, 18333), (1358, 13743), (1527, 12222), (1746, 10689), (2037, 9162), (2619, 7126), (3054, 6111), (3563, 5238), (4074, 4581)]