19770388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{26431}}^1$

素因数の和:26463

約数の個数: 24

約数和(自身を含む): 39965184

約数和(自身を除く): 20194796

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 26431, 52862, 105724, 290741, 449327, 581482, 898654, 1162964, 1797308, 4942597, 9885194, 19770388]

約数ペア:

[(1, 19770388), (2, 9885194), (4, 4942597), (11, 1797308), (17, 1162964), (22, 898654), (34, 581482), (44, 449327), (68, 290741), (187, 105724), (374, 52862), (748, 26431)]