19561348

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 35060480

約数和(自身を除く): 15499132

約数列:

[1, 2, 4, 79, 103, 158, 206, 316, 412, 601, 1202, 2404, 8137, 16274, 32548, 47479, 61903, 94958, 123806, 189916, 247612, 4890337, 9780674, 19561348]

約数ペア:

[(1, 19561348), (2, 9780674), (4, 4890337), (79, 247612), (103, 189916), (158, 123806), (206, 94958), (316, 61903), (412, 47479), (601, 32548), (1202, 16274), (2404, 8137)]