18459203

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2953}}^1$

素因数の和:3026

約数の個数: 16

約数和(自身を含む): 22686720

約数和(自身を除く): 4227517

約数列:

[1, 7, 19, 47, 133, 329, 893, 2953, 6251, 20671, 56107, 138791, 392749, 971537, 2637029, 18459203]

約数ペア:

[(1, 18459203), (7, 2637029), (19, 971537), (47, 392749), (133, 138791), (329, 56107), (893, 20671), (2953, 6251)]