18523917

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{36109}}^1$

素因数の和:36137

約数の個数: 16

約数和(自身を含む): 28888000

約数和(自身を除く): 10364083

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 36109, 108327, 324981, 686071, 974943, 2058213, 6174639, 18523917]

約数ペア:

[(1, 18523917), (3, 6174639), (9, 2058213), (19, 974943), (27, 686071), (57, 324981), (171, 108327), (513, 36109)]