17661818

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2039}}^1$

素因数の和:2173

約数の個数: 16

約数和(自身を含む): 27319680

約数和(自身を除く): 9657862

約数列:

[1, 2, 61, 71, 122, 142, 2039, 4078, 4331, 8662, 124379, 144769, 248758, 289538, 8830909, 17661818]

約数ペア:

[(1, 17661818), (2, 8830909), (61, 289538), (71, 248758), (122, 144769), (142, 124379), (2039, 8662), (4078, 4331)]