19453929

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 31601664

約数和(自身を除く): 12147735

約数列:

[1, 3, 11, 19, 23, 33, 57, 69, 71, 209, 213, 253, 361, 437, 627, 759, 781, 1083, 1311, 1349, 1633, 2343, 3971, 4047, 4807, 4899, 8303, 11913, 14421, 14839, 17963, 24909, 25631, 31027, 44517, 53889, 76893, 91333, 93081, 273999, 281941, 341297, 589513, 845823, 1023891, 1768539, 6484643, 19453929]

約数ペア:

[(1, 19453929), (3, 6484643), (11, 1768539), (19, 1023891), (23, 845823), (33, 589513), (57, 341297), (69, 281941), (71, 273999), (209, 93081), (213, 91333), (253, 76893), (361, 53889), (437, 44517), (627, 31027), (759, 25631), (781, 24909), (1083, 17963), (1311, 14839), (1349, 14421), (1633, 11913), (2343, 8303), (3971, 4899), (4047, 4807)]