18586161

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 31711680

約数和(自身を除く): 13125519

約数列:

[1, 3, 9, 11, 19, 33, 41, 57, 99, 123, 171, 209, 241, 369, 451, 627, 723, 779, 1353, 1881, 2169, 2337, 2651, 4059, 4579, 7011, 7953, 8569, 9881, 13737, 23859, 25707, 29643, 41211, 50369, 77121, 88929, 108691, 151107, 187739, 326073, 453321, 563217, 978219, 1689651, 2065129, 6195387, 18586161]

約数ペア:

[(1, 18586161), (3, 6195387), (9, 2065129), (11, 1689651), (19, 978219), (33, 563217), (41, 453321), (57, 326073), (99, 187739), (123, 151107), (171, 108691), (209, 88929), (241, 77121), (369, 50369), (451, 41211), (627, 29643), (723, 25707), (779, 23859), (1353, 13737), (1881, 9881), (2169, 8569), (2337, 7953), (2651, 7011), (4059, 4579)]