1991178

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{15803}}^1$

素因数の和:15818

約数の個数: 24

約数和(自身を含む): 4930848

約数和(自身を除く): 2939670

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 15803, 31606, 47409, 94818, 110621, 142227, 221242, 284454, 331863, 663726, 995589, 1991178]

約数ペア:

[(1, 1991178), (2, 995589), (3, 663726), (6, 331863), (7, 284454), (9, 221242), (14, 142227), (18, 110621), (21, 94818), (42, 47409), (63, 31606), (126, 15803)]