19221818

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1621}}^1$

素因数の和:1659

約数の個数: 36

約数和(自身を含む): 36889146

約数和(自身を除く): 17667328

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 121, 154, 242, 539, 847, 1078, 1621, 1694, 3242, 5929, 11347, 11858, 17831, 22694, 35662, 79429, 124817, 158858, 196141, 249634, 392282, 873719, 1372987, 1747438, 2745974, 9610909, 19221818]

約数ペア:

[(1, 19221818), (2, 9610909), (7, 2745974), (11, 1747438), (14, 1372987), (22, 873719), (49, 392282), (77, 249634), (98, 196141), (121, 158858), (154, 124817), (242, 79429), (539, 35662), (847, 22694), (1078, 17831), (1621, 11858), (1694, 11347), (3242, 5929)]