19239017

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 23956416

約数和(自身を除く): 4717399

約数列:

[1, 7, 23, 43, 49, 161, 301, 397, 989, 1127, 2107, 2779, 6923, 9131, 17071, 19453, 48461, 63917, 119497, 392633, 447419, 836479, 2748431, 19239017]

約数ペア:

[(1, 19239017), (7, 2748431), (23, 836479), (43, 447419), (49, 392633), (161, 119497), (301, 63917), (397, 48461), (989, 19453), (1127, 17071), (2107, 9131), (2779, 6923)]