18992493

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{599}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 29702400

約数和(自身を除く): 10709907

約数列:

[1, 3, 9, 13, 39, 117, 271, 599, 813, 1797, 2439, 3523, 5391, 7787, 10569, 23361, 31707, 70083, 162329, 486987, 1460961, 2110277, 6330831, 18992493]

約数ペア:

[(1, 18992493), (3, 6330831), (9, 2110277), (13, 1460961), (39, 486987), (117, 162329), (271, 70083), (599, 31707), (813, 23361), (1797, 10569), (2439, 7787), (3523, 5391)]