18978168

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71887}}^1$

素因数の和:71907

約数の個数: 32

約数和(自身を含む): 51759360

約数和(自身を除く): 32781192

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 71887, 143774, 215661, 287548, 431322, 575096, 790757, 862644, 1581514, 1725288, 2372271, 3163028, 4744542, 6326056, 9489084, 18978168]

約数ペア:

[(1, 18978168), (2, 9489084), (3, 6326056), (4, 4744542), (6, 3163028), (8, 2372271), (11, 1725288), (12, 1581514), (22, 862644), (24, 790757), (33, 575096), (44, 431322), (66, 287548), (88, 215661), (132, 143774), (264, 71887)]