18457516

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1223}}^1$

素因数の和:1259

約数の個数: 48

約数和(自身を含む): 41126400

約数和(自身を除く): 22668884

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 343, 539, 686, 1078, 1223, 1372, 2156, 2446, 3773, 4892, 7546, 8561, 13453, 15092, 17122, 26906, 34244, 53812, 59927, 94171, 119854, 188342, 239708, 376684, 419489, 659197, 838978, 1318394, 1677956, 2636788, 4614379, 9228758, 18457516]

約数ペア:

[(1, 18457516), (2, 9228758), (4, 4614379), (7, 2636788), (11, 1677956), (14, 1318394), (22, 838978), (28, 659197), (44, 419489), (49, 376684), (77, 239708), (98, 188342), (154, 119854), (196, 94171), (308, 59927), (343, 53812), (539, 34244), (686, 26906), (1078, 17122), (1223, 15092), (1372, 13453), (2156, 8561), (2446, 7546), (3773, 4892)]