19399005

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{18743}}^1$

素因数の和:18777

約数の個数: 24

約数和(自身を含む): 35088768

約数和(自身を除く): 15689763

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 18743, 56229, 93715, 168687, 281145, 431089, 843435, 1293267, 2155445, 3879801, 6466335, 19399005]

約数ペア:

[(1, 19399005), (3, 6466335), (5, 3879801), (9, 2155445), (15, 1293267), (23, 843435), (45, 431089), (69, 281145), (115, 168687), (207, 93715), (345, 56229), (1035, 18743)]