18538403

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:494

約数の個数: 16

約数和(自身を含む): 20810496

約数和(自身を除く): 2272093

約数列:

[1, 13, 31, 157, 293, 403, 2041, 3809, 4867, 9083, 46001, 63271, 118079, 598013, 1426031, 18538403]

約数ペア:

[(1, 18538403), (13, 1426031), (31, 598013), (157, 118079), (293, 63271), (403, 46001), (2041, 9083), (3809, 4867)]