19621959

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6271}}^1$

素因数の和:6430

約数の個数: 16

約数和(自身を含む): 30105600

約数和(自身を除く): 10483641

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 6271, 18813, 43897, 131691, 934379, 2803137, 6540653, 19621959]

約数ペア:

[(1, 19621959), (3, 6540653), (7, 2803137), (21, 934379), (149, 131691), (447, 43897), (1043, 18813), (3129, 6271)]