18505683

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1447}}^1$

素因数の和:1496

約数の個数: 36

約数和(自身を含む): 32189040

約数和(自身を除く): 13683357

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1447, 1827, 4263, 4341, 10129, 12789, 13023, 30387, 41963, 70903, 91161, 125889, 212709, 293741, 377667, 638127, 881223, 2056187, 2643669, 6168561, 18505683]

約数ペア:

[(1, 18505683), (3, 6168561), (7, 2643669), (9, 2056187), (21, 881223), (29, 638127), (49, 377667), (63, 293741), (87, 212709), (147, 125889), (203, 91161), (261, 70903), (441, 41963), (609, 30387), (1421, 13023), (1447, 12789), (1827, 10129), (4263, 4341)]