209980970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1105163}}^1$

素因数の和:1105189

約数の個数: 16

約数和(自身を含む): 397859040

約数和(自身を除く): 187878070

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1105163, 2210326, 5525815, 11051630, 20998097, 41996194, 104990485, 209980970]

約数ペア:

[(1, 209980970), (2, 104990485), (5, 41996194), (10, 20998097), (19, 11051630), (38, 5525815), (95, 2210326), (190, 1105163)]