2139807.00000000

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{238801}}^1$

素因数の和:238832

約数の個数: 20

約数和(自身を含む): 177668688

約数和(自身を除く): 89789920

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 238801, 477602, 955204, 1910408, 3820816, 5492423, 10984846, 21969692, 43939384, 87878768]

約数ペア:

[(1, 87878768), (2, 43939384), (4, 21969692), (8, 10984846), (16, 5492423), (23, 3820816), (46, 1910408), (92, 955204), (184, 477602), (368, 238801)]