19397051331

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{740713}}^1$

素因数の和:740795

約数の個数: 32

約数和(自身を含む): 31287759360

約数和(自身を除く): 11890708029

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 903, 1247, 3741, 8729, 26187, 740713, 2222139, 5184991, 15554973, 21480677, 31850659, 64442031, 95551977, 150364739, 222954613, 451094217, 668863839, 923669111, 2771007333, 6465683777, 19397051331]

約数ペア:

[(1, 19397051331), (3, 6465683777), (7, 2771007333), (21, 923669111), (29, 668863839), (43, 451094217), (87, 222954613), (129, 150364739), (203, 95551977), (301, 64442031), (609, 31850659), (903, 21480677), (1247, 15554973), (3741, 5184991), (8729, 2222139), (26187, 740713)]