19075707

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 33359040

約数和(自身を除く): 14283333

約数列:

[1, 3, 7, 9, 21, 29, 53, 63, 87, 159, 197, 203, 261, 371, 477, 591, 609, 1113, 1379, 1537, 1773, 1827, 3339, 4137, 4611, 5713, 10441, 10759, 12411, 13833, 17139, 31323, 32277, 39991, 51417, 73087, 93969, 96831, 119973, 219261, 302789, 359919, 657783, 908367, 2119523, 2725101, 6358569, 19075707]

約数ペア:

[(1, 19075707), (3, 6358569), (7, 2725101), (9, 2119523), (21, 908367), (29, 657783), (53, 359919), (63, 302789), (87, 219261), (159, 119973), (197, 96831), (203, 93969), (261, 73087), (371, 51417), (477, 39991), (591, 32277), (609, 31323), (1113, 17139), (1379, 13833), (1537, 12411), (1773, 10759), (1827, 10441), (3339, 5713), (4137, 4611)]