19318149

素因数分解:

$3^3\times {\mathrm{359}}^1\times {\mathrm{1993}}^1$

素因数の和:2361

約数の個数: 16

約数和(自身を含む): 28713600

約数和(自身を除く): 9395451

約数列:

[1, 3, 9, 27, 359, 1077, 1993, 3231, 5979, 9693, 17937, 53811, 715487, 2146461, 6439383, 19318149]

約数ペア:

[(1, 19318149), (3, 6439383), (9, 2146461), (27, 715487), (359, 53811), (1077, 17937), (1993, 9693), (3231, 5979)]