1990278

素因数分解:

$2^1\times 3^3\times {\mathrm{36857}}^1$

素因数の和:36868

約数の個数: 16

約数和(自身を含む): 4422960

約数和(自身を除く): 2432682

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 36857, 73714, 110571, 221142, 331713, 663426, 995139, 1990278]

約数ペア:

[(1, 1990278), (2, 995139), (3, 663426), (6, 331713), (9, 221142), (18, 110571), (27, 73714), (54, 36857)]