19174473

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:925

約数の個数: 24

約数和(自身を含む): 28881216

約数和(自身を除く): 9706743

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 639, 811, 2433, 2627, 7299, 7881, 23643, 30007, 57581, 90021, 172743, 270063, 518229, 2130497, 6391491, 19174473]

約数ペア:

[(1, 19174473), (3, 6391491), (9, 2130497), (37, 518229), (71, 270063), (111, 172743), (213, 90021), (333, 57581), (639, 30007), (811, 23643), (2433, 7881), (2627, 7299)]