18076880

素因数分解:

$2^4\times 5^1\times {\mathrm{225961}}^1$

素因数の和:225974

約数の個数: 20

約数和(自身を含む): 42028932

約数和(自身を除く): 23952052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 225961, 451922, 903844, 1129805, 1807688, 2259610, 3615376, 4519220, 9038440, 18076880]

約数ペア:

[(1, 18076880), (2, 9038440), (4, 4519220), (5, 3615376), (8, 2259610), (10, 1807688), (16, 1129805), (20, 903844), (40, 451922), (80, 225961)]