19221806

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:456

約数の個数: 24

約数和(自身を含む): 30906720

約数和(自身を除く): 11684914

約数列:

[1, 2, 19, 38, 79, 158, 337, 361, 674, 722, 1501, 3002, 6403, 12806, 26623, 28519, 53246, 57038, 121657, 243314, 505837, 1011674, 9610903, 19221806]

約数ペア:

[(1, 19221806), (2, 9610903), (19, 1011674), (38, 505837), (79, 243314), (158, 121657), (337, 57038), (361, 53246), (674, 28519), (722, 26623), (1501, 12806), (3002, 6403)]