19829367

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 40

約数和(自身を含む): 31363200

約数和(自身を除く): 11533833

約数列:

[1, 3, 9, 27, 31, 53, 81, 93, 149, 159, 279, 447, 477, 837, 1341, 1431, 1643, 2511, 4023, 4293, 4619, 4929, 7897, 12069, 13857, 14787, 23691, 41571, 44361, 71073, 124713, 133083, 213219, 244807, 374139, 639657, 734421, 2203263, 6609789, 19829367]

約数ペア:

[(1, 19829367), (3, 6609789), (9, 2203263), (27, 734421), (31, 639657), (53, 374139), (81, 244807), (93, 213219), (149, 133083), (159, 124713), (279, 71073), (447, 44361), (477, 41571), (837, 23691), (1341, 14787), (1431, 13857), (1643, 12069), (2511, 7897), (4023, 4929), (4293, 4619)]