18563578

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{971}}^1$

素因数の和:1074

約数の個数: 24

約数和(自身を含む): 31026240

約数和(自身を除く): 12462662

約数列:

[1, 2, 11, 22, 79, 121, 158, 242, 869, 971, 1738, 1942, 9559, 10681, 19118, 21362, 76709, 117491, 153418, 234982, 843799, 1687598, 9281789, 18563578]

約数ペア:

[(1, 18563578), (2, 9281789), (11, 1687598), (22, 843799), (79, 234982), (121, 153418), (158, 117491), (242, 76709), (869, 21362), (971, 19118), (1738, 10681), (1942, 9559)]