18557660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1259}}^1$

素因数の和:1346

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 24625060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1259, 1340, 1474, 2518, 2948, 3685, 5036, 6295, 7370, 12590, 13849, 14740, 25180, 27698, 55396, 69245, 84353, 138490, 168706, 276980, 337412, 421765, 843530, 927883, 1687060, 1855766, 3711532, 4639415, 9278830, 18557660]

約数ペア:

[(1, 18557660), (2, 9278830), (4, 4639415), (5, 3711532), (10, 1855766), (11, 1687060), (20, 927883), (22, 843530), (44, 421765), (55, 337412), (67, 276980), (110, 168706), (134, 138490), (220, 84353), (268, 69245), (335, 55396), (670, 27698), (737, 25180), (1259, 14740), (1340, 13849), (1474, 12590), (2518, 7370), (2948, 6295), (3685, 5036)]