18490705

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1289}}^1$

素因数の和:1464

約数の個数: 16

約数和(自身を含む): 23529600

約数和(自身を除く): 5038895

約数列:

[1, 5, 19, 95, 151, 755, 1289, 2869, 6445, 14345, 24491, 122455, 194639, 973195, 3698141, 18490705]

約数ペア:

[(1, 18490705), (5, 3698141), (19, 973195), (95, 194639), (151, 122455), (755, 24491), (1289, 14345), (2869, 6445)]