19958043

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{5903}}^1$

素因数の和:5943

約数の個数: 24

約数和(自身を含む): 32306688

約数和(自身を除く): 12348645

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 5903, 17709, 41321, 123963, 135769, 289247, 407307, 867741, 950383, 2851149, 6652681, 19958043]

約数ペア:

[(1, 19958043), (3, 6652681), (7, 2851149), (21, 950383), (23, 867741), (49, 407307), (69, 289247), (147, 135769), (161, 123963), (483, 41321), (1127, 17709), (3381, 5903)]