19578267

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 31868928

約数和(自身を除く): 12290661

約数列:

[1, 3, 9, 23, 27, 31, 69, 81, 93, 113, 207, 243, 279, 339, 621, 713, 837, 1017, 1863, 2139, 2511, 2599, 3051, 3503, 5589, 6417, 7533, 7797, 9153, 10509, 19251, 23391, 27459, 31527, 57753, 70173, 80569, 94581, 173259, 210519, 241707, 283743, 631557, 725121, 851229, 2175363, 6526089, 19578267]

約数ペア:

[(1, 19578267), (3, 6526089), (9, 2175363), (23, 851229), (27, 725121), (31, 631557), (69, 283743), (81, 241707), (93, 210519), (113, 173259), (207, 94581), (243, 80569), (279, 70173), (339, 57753), (621, 31527), (713, 27459), (837, 23391), (1017, 19251), (1863, 10509), (2139, 9153), (2511, 7797), (2599, 7533), (3051, 6417), (3503, 5589)]