18739578

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21841}}^1$

素因数の和:21870

約数の個数: 32

約数和(自身を含む): 44033472

約数和(自身を除く): 25293894

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 21841, 43682, 65523, 131046, 240251, 283933, 480502, 567866, 720753, 851799, 1441506, 1703598, 3123263, 6246526, 9369789, 18739578]

約数ペア:

[(1, 18739578), (2, 9369789), (3, 6246526), (6, 3123263), (11, 1703598), (13, 1441506), (22, 851799), (26, 720753), (33, 567866), (39, 480502), (66, 283933), (78, 240251), (143, 131046), (286, 65523), (429, 43682), (858, 21841)]