18891464

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1237}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 37437120

約数和(自身を除く): 18545656

約数列:

[1, 2, 4, 8, 23, 46, 83, 92, 166, 184, 332, 664, 1237, 1909, 2474, 3818, 4948, 7636, 9896, 15272, 28451, 56902, 102671, 113804, 205342, 227608, 410684, 821368, 2361433, 4722866, 9445732, 18891464]

約数ペア:

[(1, 18891464), (2, 9445732), (4, 4722866), (8, 2361433), (23, 821368), (46, 410684), (83, 227608), (92, 205342), (166, 113804), (184, 102671), (332, 56902), (664, 28451), (1237, 15272), (1909, 9896), (2474, 7636), (3818, 4948)]