19991186

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{6121}}^1$

素因数の和:6217

約数の個数: 16

約数和(自身を含む): 31736448

約数和(自身を除く): 11745262

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 6121, 12242, 140783, 281566, 434591, 869182, 9995593, 19991186]

約数ペア:

[(1, 19991186), (2, 9995593), (23, 869182), (46, 434591), (71, 281566), (142, 140783), (1633, 12242), (3266, 6121)]