18949260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28711}}^1$

素因数の和:28734

約数の個数: 48

約数和(自身を含む): 57883392

約数和(自身を除く): 38934132

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, 28711, 57422, 86133, 114844, 143555, 172266, 287110, 315821, 344532, 430665, 574220, 631642, 861330, 947463, 1263284, 1579105, 1722660, 1894926, 3158210, 3789852, 4737315, 6316420, 9474630, 18949260]

約数ペア:

[(1, 18949260), (2, 9474630), (3, 6316420), (4, 4737315), (5, 3789852), (6, 3158210), (10, 1894926), (11, 1722660), (12, 1579105), (15, 1263284), (20, 947463), (22, 861330), (30, 631642), (33, 574220), (44, 430665), (55, 344532), (60, 315821), (66, 287110), (110, 172266), (132, 143555), (165, 114844), (220, 86133), (330, 57422), (660, 28711)]