19967992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2203}}^1$

素因数の和:2323

約数の個数: 32

約数和(自身を含む): 41258880

約数和(自身を除く): 21290888

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 103, 206, 412, 824, 1133, 2203, 2266, 4406, 4532, 8812, 9064, 17624, 24233, 48466, 96932, 193864, 226909, 453818, 907636, 1815272, 2495999, 4991998, 9983996, 19967992]

約数ペア:

[(1, 19967992), (2, 9983996), (4, 4991998), (8, 2495999), (11, 1815272), (22, 907636), (44, 453818), (88, 226909), (103, 193864), (206, 96932), (412, 48466), (824, 24233), (1133, 17624), (2203, 9064), (2266, 8812), (4406, 4532)]