18080048

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1481}}^1$

素因数の和:1605

約数の個数: 40

約数和(自身を含む): 40428960

約数和(自身を除く): 22348912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1481, 1526, 1744, 2962, 3052, 5924, 6104, 10367, 11848, 12208, 20734, 23696, 41468, 82936, 161429, 165872, 322858, 645716, 1130003, 1291432, 2260006, 2582864, 4520012, 9040024, 18080048]

約数ペア:

[(1, 18080048), (2, 9040024), (4, 4520012), (7, 2582864), (8, 2260006), (14, 1291432), (16, 1130003), (28, 645716), (56, 322858), (109, 165872), (112, 161429), (218, 82936), (436, 41468), (763, 23696), (872, 20734), (1481, 12208), (1526, 11848), (1744, 10367), (2962, 6104), (3052, 5924)]