12642790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{66541}}^1$

素因数の和:66567

約数の個数: 16

約数和(自身を含む): 23955120

約数和(自身を除く): 11312330

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 66541, 133082, 332705, 665410, 1264279, 2528558, 6321395, 12642790]

約数ペア:

[(1, 12642790), (2, 6321395), (5, 2528558), (10, 1264279), (19, 665410), (38, 332705), (95, 133082), (190, 66541)]