18105669

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1861}}^1$

素因数の和:1937

約数の個数: 24

約数和(自身を含む): 27885312

約数和(自身を除く): 9779643

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 1861, 3243, 5583, 9729, 16749, 42803, 87467, 128409, 262401, 385227, 787203, 2011741, 6035223, 18105669]

約数ペア:

[(1, 18105669), (3, 6035223), (9, 2011741), (23, 787203), (47, 385227), (69, 262401), (141, 128409), (207, 87467), (423, 42803), (1081, 16749), (1861, 9729), (3243, 5583)]