16859260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 38918880

約数和(自身を除く): 22059620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 389, 394, 778, 788, 985, 1556, 1945, 1970, 2167, 3890, 3940, 4279, 4334, 7780, 8558, 8668, 10835, 17116, 21395, 21670, 42790, 43340, 76633, 85580, 153266, 306532, 383165, 766330, 842963, 1532660, 1685926, 3371852, 4214815, 8429630, 16859260]

約数ペア:

[(1, 16859260), (2, 8429630), (4, 4214815), (5, 3371852), (10, 1685926), (11, 1532660), (20, 842963), (22, 766330), (44, 383165), (55, 306532), (110, 153266), (197, 85580), (220, 76633), (389, 43340), (394, 42790), (778, 21670), (788, 21395), (985, 17116), (1556, 10835), (1945, 8668), (1970, 8558), (2167, 7780), (3890, 4334), (3940, 4279)]