19702710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{72973}}^1$

素因数の和:72989

約数の個数: 32

約数和(自身を含む): 52541280

約数和(自身を除く): 32838570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 72973, 145946, 218919, 364865, 437838, 656757, 729730, 1094595, 1313514, 1970271, 2189190, 3283785, 3940542, 6567570, 9851355, 19702710]

約数ペア:

[(1, 19702710), (2, 9851355), (3, 6567570), (5, 3940542), (6, 3283785), (9, 2189190), (10, 1970271), (15, 1313514), (18, 1094595), (27, 729730), (30, 656757), (45, 437838), (54, 364865), (90, 218919), (135, 145946), (270, 72973)]