19868355

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11321}}^1$

素因数の和:11348

約数の個数: 32

約数和(自身を含む): 38041920

約数和(自身を除く): 18173565

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 11321, 33963, 56605, 101889, 147173, 169815, 305667, 441519, 509445, 735865, 1324557, 1528335, 2207595, 3973671, 6622785, 19868355]

約数ペア:

[(1, 19868355), (3, 6622785), (5, 3973671), (9, 2207595), (13, 1528335), (15, 1324557), (27, 735865), (39, 509445), (45, 441519), (65, 305667), (117, 169815), (135, 147173), (195, 101889), (351, 56605), (585, 33963), (1755, 11321)]