17969193

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 30663360

約数和(自身を除く): 12694167

約数列:

[1, 3, 9, 11, 19, 33, 41, 57, 99, 123, 171, 209, 233, 369, 451, 627, 699, 779, 1353, 1881, 2097, 2337, 2563, 4059, 4427, 7011, 7689, 8569, 9553, 13281, 23067, 25707, 28659, 39843, 48697, 77121, 85977, 105083, 146091, 181507, 315249, 438273, 544521, 945747, 1633563, 1996577, 5989731, 17969193]

約数ペア:

[(1, 17969193), (3, 5989731), (9, 1996577), (11, 1633563), (19, 945747), (33, 544521), (41, 438273), (57, 315249), (99, 181507), (123, 146091), (171, 105083), (209, 85977), (233, 77121), (369, 48697), (451, 39843), (627, 28659), (699, 25707), (779, 23067), (1353, 13281), (1881, 9553), (2097, 8569), (2337, 7689), (2563, 7011), (4059, 4427)]