18139527

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16937}}^1$

素因数の和:16967

約数の個数: 24

約数和(自身を含む): 31707936

約数和(自身を除く): 13568409

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 16937, 50811, 118559, 152433, 287929, 355677, 863787, 1067031, 2015503, 2591361, 6046509, 18139527]

約数ペア:

[(1, 18139527), (3, 6046509), (7, 2591361), (9, 2015503), (17, 1067031), (21, 863787), (51, 355677), (63, 287929), (119, 152433), (153, 118559), (357, 50811), (1071, 16937)]