19280817

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 28776384

約数和(自身を除く): 9495567

約数列:

[1, 3, 9, 53, 83, 159, 249, 477, 487, 747, 1461, 4383, 4399, 13197, 25811, 39591, 40421, 77433, 121263, 232299, 363789, 2142313, 6426939, 19280817]

約数ペア:

[(1, 19280817), (3, 6426939), (9, 2142313), (53, 363789), (83, 232299), (159, 121263), (249, 77433), (477, 40421), (487, 39591), (747, 25811), (1461, 13197), (4383, 4399)]