18122409

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{809}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 27799200

約数和(自身を除く): 9676791

約数列:

[1, 3, 9, 19, 57, 131, 171, 393, 809, 1179, 2427, 2489, 7281, 7467, 15371, 22401, 46113, 105979, 138339, 317937, 953811, 2013601, 6040803, 18122409]

約数ペア:

[(1, 18122409), (3, 6040803), (9, 2013601), (19, 953811), (57, 317937), (131, 138339), (171, 105979), (393, 46113), (809, 22401), (1179, 15371), (2427, 7467), (2489, 7281)]