17681438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{1997}}^1$

素因数の和:2251

約数の個数: 16

約数和(自身を含む): 28051920

約数和(自身を除く): 10370482

約数列:

[1, 2, 19, 38, 233, 466, 1997, 3994, 4427, 8854, 37943, 75886, 465301, 930602, 8840719, 17681438]

約数ペア:

[(1, 17681438), (2, 8840719), (19, 930602), (38, 465301), (233, 75886), (466, 37943), (1997, 8854), (3994, 4427)]