19555713

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 29248128

約数和(自身を除く): 9692415

約数列:

[1, 3, 9, 47, 83, 141, 249, 423, 557, 747, 1671, 3901, 5013, 11703, 26179, 35109, 46231, 78537, 138693, 235611, 416079, 2172857, 6518571, 19555713]

約数ペア:

[(1, 19555713), (3, 6518571), (9, 2172857), (47, 416079), (83, 235611), (141, 138693), (249, 78537), (423, 46231), (557, 35109), (747, 26179), (1671, 11703), (3901, 5013)]