19500848

素因数分解:

$2^4\times {\mathrm{673}}^1\times {\mathrm{1811}}^1$

素因数の和:2492

約数の個数: 20

約数和(自身を含む): 37859928

約数和(自身を除く): 18359080

約数列:

[1, 2, 4, 8, 16, 673, 1346, 1811, 2692, 3622, 5384, 7244, 10768, 14488, 28976, 1218803, 2437606, 4875212, 9750424, 19500848]

約数ペア:

[(1, 19500848), (2, 9750424), (4, 4875212), (8, 2437606), (16, 1218803), (673, 28976), (1346, 14488), (1811, 10768), (2692, 7244), (3622, 5384)]