18929079

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 30464000

約数和(自身を除く): 11534921

約数列:

[1, 3, 9, 13, 27, 39, 117, 199, 271, 351, 597, 813, 1791, 2439, 2587, 3523, 5373, 7317, 7761, 10569, 23283, 31707, 53929, 69849, 95121, 161787, 485361, 701077, 1456083, 2103231, 6309693, 18929079]

約数ペア:

[(1, 18929079), (3, 6309693), (9, 2103231), (13, 1456083), (27, 701077), (39, 485361), (117, 161787), (199, 95121), (271, 69849), (351, 53929), (597, 31707), (813, 23283), (1791, 10569), (2439, 7761), (2587, 7317), (3523, 5373)]