18151112

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1697}}^1$

素因数の和:1901

約数の個数: 32

約数和(自身を含む): 39121920

約数和(自身を除く): 20970808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 1337, 1528, 1697, 2674, 3394, 5348, 6788, 10696, 11879, 13576, 23758, 47516, 95032, 324127, 648254, 1296508, 2268889, 2593016, 4537778, 9075556, 18151112]

約数ペア:

[(1, 18151112), (2, 9075556), (4, 4537778), (7, 2593016), (8, 2268889), (14, 1296508), (28, 648254), (56, 324127), (191, 95032), (382, 47516), (764, 23758), (1337, 13576), (1528, 11879), (1697, 10696), (2674, 6788), (3394, 5348)]