18791284

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{769}}^1$

素因数の和:963

約数の個数: 24

約数和(自身を含む): 33957000

約数和(自身を除く): 15165716

約数列:

[1, 2, 4, 41, 82, 149, 164, 298, 596, 769, 1538, 3076, 6109, 12218, 24436, 31529, 63058, 114581, 126116, 229162, 458324, 4697821, 9395642, 18791284]

約数ペア:

[(1, 18791284), (2, 9395642), (4, 4697821), (41, 458324), (82, 229162), (149, 126116), (164, 114581), (298, 63058), (596, 31529), (769, 24436), (1538, 12218), (3076, 6109)]