18714160

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1049}}^1$

素因数の和:1285

約数の個数: 40

約数和(自身を含む): 43747200

約数和(自身を除く): 25033040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1049, 1115, 1784, 2098, 2230, 3568, 4196, 4460, 5245, 8392, 8920, 10490, 16784, 17840, 20980, 41960, 83920, 233927, 467854, 935708, 1169635, 1871416, 2339270, 3742832, 4678540, 9357080, 18714160]

約数ペア:

[(1, 18714160), (2, 9357080), (4, 4678540), (5, 3742832), (8, 2339270), (10, 1871416), (16, 1169635), (20, 935708), (40, 467854), (80, 233927), (223, 83920), (446, 41960), (892, 20980), (1049, 17840), (1115, 16784), (1784, 10490), (2098, 8920), (2230, 8392), (3568, 5245), (4196, 4460)]