19966428

素因数分解:

$2^2\times 3^2\times {\mathrm{151}}^1\times {\mathrm{3673}}^1$

素因数の和:3834

約数の個数: 36

約数和(自身を含む): 50818768

約数和(自身を除く): 30852340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 151, 302, 453, 604, 906, 1359, 1812, 2718, 3673, 5436, 7346, 11019, 14692, 22038, 33057, 44076, 66114, 132228, 554623, 1109246, 1663869, 2218492, 3327738, 4991607, 6655476, 9983214, 19966428]

約数ペア:

[(1, 19966428), (2, 9983214), (3, 6655476), (4, 4991607), (6, 3327738), (9, 2218492), (12, 1663869), (18, 1109246), (36, 554623), (151, 132228), (302, 66114), (453, 44076), (604, 33057), (906, 22038), (1359, 14692), (1812, 11019), (2718, 7346), (3673, 5436)]