19985283

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1601}}^1$

素因数の和:1699

約数の個数: 24

約数和(自身を含む): 30822480

約数和(自身を除く): 10837197

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1387, 1601, 4161, 4803, 12483, 14409, 30419, 91257, 116873, 273771, 350619, 1051857, 2220587, 6661761, 19985283]

約数ペア:

[(1, 19985283), (3, 6661761), (9, 2220587), (19, 1051857), (57, 350619), (73, 273771), (171, 116873), (219, 91257), (657, 30419), (1387, 14409), (1601, 12483), (4161, 4803)]