18268443

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 28800000

約数和(自身を除く): 10531557

約数列:

[1, 3, 9, 19, 27, 57, 149, 171, 239, 447, 513, 717, 1341, 2151, 2831, 4023, 4541, 6453, 8493, 13623, 25479, 35611, 40869, 76437, 106833, 122607, 320499, 676609, 961497, 2029827, 6089481, 18268443]

約数ペア:

[(1, 18268443), (3, 6089481), (9, 2029827), (19, 961497), (27, 676609), (57, 320499), (149, 122607), (171, 106833), (239, 76437), (447, 40869), (513, 35611), (717, 25479), (1341, 13623), (2151, 8493), (2831, 6453), (4023, 4541)]