18365820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27827}}^1$

素因数の和:27850

約数の個数: 48

約数和(自身を含む): 56101248

約数和(自身を除く): 37735428

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 27827, 55654, 83481, 111308, 139135, 166962, 278270, 306097, 333924, 417405, 556540, 612194, 834810, 918291, 1224388, 1530485, 1669620, 1836582, 3060970, 3673164, 4591455, 6121940, 9182910, 18365820]

約数ペア:

[(1, 18365820), (2, 9182910), (3, 6121940), (4, 4591455), (5, 3673164), (6, 3060970), (10, 1836582), (11, 1669620), (12, 1530485), (15, 1224388), (20, 918291), (22, 834810), (30, 612194), (33, 556540), (44, 417405), (55, 333924), (60, 306097), (66, 278270), (110, 166962), (132, 139135), (165, 111308), (220, 83481), (330, 55654), (660, 27827)]