19860969

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{5309}}^1$

素因数の和:5384

約数の個数: 16

約数和(自身を含む): 28036800

約数和(自身を除く): 8175831

約数列:

[1, 3, 29, 43, 87, 129, 1247, 3741, 5309, 15927, 153961, 228287, 461883, 684861, 6620323, 19860969]

約数ペア:

[(1, 19860969), (3, 6620323), (29, 684861), (43, 461883), (87, 228287), (129, 153961), (1247, 15927), (3741, 5309)]