19187739

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 30278400

約数和(自身を除く): 11090661

約数列:

[1, 3, 9, 19, 27, 57, 113, 171, 331, 339, 513, 993, 1017, 2147, 2979, 3051, 6289, 6441, 8937, 18867, 19323, 37403, 56601, 57969, 112209, 169803, 336627, 710657, 1009881, 2131971, 6395913, 19187739]

約数ペア:

[(1, 19187739), (3, 6395913), (9, 2131971), (19, 1009881), (27, 710657), (57, 336627), (113, 169803), (171, 112209), (331, 57969), (339, 56601), (513, 37403), (993, 19323), (1017, 18867), (2147, 8937), (2979, 6441), (3051, 6289)]