19003916911

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{3307}}^1\times {\mathrm{5099}}^1$

素因数の和:8443

約数の個数: 24

約数和(自身を含む): 23079254400

約数和(自身を除く): 4075337489

約数列:

[1, 7, 23, 49, 161, 1127, 3307, 5099, 23149, 35693, 76061, 117277, 162043, 249851, 532427, 820939, 3726989, 5746573, 16862393, 118036751, 387835039, 826257257, 2714845273, 19003916911]

約数ペア:

[(1, 19003916911), (7, 2714845273), (23, 826257257), (49, 387835039), (161, 118036751), (1127, 16862393), (3307, 5746573), (5099, 3726989), (23149, 820939), (35693, 532427), (76061, 249851), (117277, 162043)]