19119874

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{4643}}^1$

素因数の和:4745

約数の個数: 16

約数和(自身を含む): 30093120

約数和(自身を除く): 10973246

約数列:

[1, 2, 29, 58, 71, 142, 2059, 4118, 4643, 9286, 134647, 269294, 329653, 659306, 9559937, 19119874]

約数ペア:

[(1, 19119874), (2, 9559937), (29, 659306), (58, 329653), (71, 269294), (142, 134647), (2059, 9286), (4118, 4643)]