19575829

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 25804800

約数和(自身を除く): 6228971

約数列:

[1, 7, 13, 23, 47, 91, 161, 199, 299, 329, 611, 1081, 1393, 2093, 2587, 4277, 4577, 7567, 9353, 14053, 18109, 32039, 59501, 65471, 98371, 121589, 215119, 416507, 851123, 1505833, 2796547, 19575829]

約数ペア:

[(1, 19575829), (7, 2796547), (13, 1505833), (23, 851123), (47, 416507), (91, 215119), (161, 121589), (199, 98371), (299, 65471), (329, 59501), (611, 32039), (1081, 18109), (1393, 14053), (2093, 9353), (2587, 7567), (4277, 4577)]