18245187

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4639}}^1$

素因数の和:4687

約数の個数: 24

約数和(自身を含む): 28953600

約数和(自身を除く): 10708413

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 4639, 13917, 41751, 88141, 106697, 264423, 320091, 793269, 960273, 2027243, 6081729, 18245187]

約数ペア:

[(1, 18245187), (3, 6081729), (9, 2027243), (19, 960273), (23, 793269), (57, 320091), (69, 264423), (171, 106697), (207, 88141), (437, 41751), (1311, 13917), (3933, 4639)]