19860814

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3329}}^1$

素因数の和:3507

約数の個数: 16

約数和(自身を含む): 31568400

約数和(自身を除く): 11707586

約数列:

[1, 2, 19, 38, 157, 314, 2983, 3329, 5966, 6658, 63251, 126502, 522653, 1045306, 9930407, 19860814]

約数ペア:

[(1, 19860814), (2, 9930407), (19, 1045306), (38, 522653), (157, 126502), (314, 63251), (2983, 6658), (3329, 5966)]