18975805

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1051}}^1$

素因数の和:1236

約数の個数: 16

約数和(自身を含む): 23935104

約数和(自身を除く): 4959299

約数列:

[1, 5, 23, 115, 157, 785, 1051, 3611, 5255, 18055, 24173, 120865, 165007, 825035, 3795161, 18975805]

約数ペア:

[(1, 18975805), (5, 3795161), (23, 825035), (115, 165007), (157, 120865), (785, 24173), (1051, 18055), (3611, 5255)]