18424728

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 57657600

約数和(自身を除く): 39232872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 139, 168, 252, 263, 278, 417, 504, 526, 556, 789, 834, 973, 1052, 1112, 1251, 1578, 1668, 1841, 1946, 2104, 2367, 2502, 2919, 3156, 3336, 3682, 3892, 4734, 5004, 5523, 5838, 6312, 7364, 7784, 8757, 9468, 10008, 11046, 11676, 14728, 16569, 17514, 18936, 22092, 23352, 33138, 35028, 36557, 44184, 66276, 70056, 73114, 109671, 132552, 146228, 219342, 255899, 292456, 329013, 438684, 511798, 658026, 767697, 877368, 1023596, 1316052, 1535394, 2047192, 2303091, 2632104, 3070788, 4606182, 6141576, 9212364, 18424728]

約数ペア:

[(1, 18424728), (2, 9212364), (3, 6141576), (4, 4606182), (6, 3070788), (7, 2632104), (8, 2303091), (9, 2047192), (12, 1535394), (14, 1316052), (18, 1023596), (21, 877368), (24, 767697), (28, 658026), (36, 511798), (42, 438684), (56, 329013), (63, 292456), (72, 255899), (84, 219342), (126, 146228), (139, 132552), (168, 109671), (252, 73114), (263, 70056), (278, 66276), (417, 44184), (504, 36557), (526, 35028), (556, 33138), (789, 23352), (834, 22092), (973, 18936), (1052, 17514), (1112, 16569), (1251, 14728), (1578, 11676), (1668, 11046), (1841, 10008), (1946, 9468), (2104, 8757), (2367, 7784), (2502, 7364), (2919, 6312), (3156, 5838), (3336, 5523), (3682, 5004), (3892, 4734)]