20190162013

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{12919}}^1$

素因数の和:13537

約数の個数: 32

約数和(自身を含む): 25540669440

約数和(自身を除く): 5350507427

約数列:

[1, 7, 17, 23, 119, 161, 391, 571, 2737, 3997, 9707, 12919, 13133, 67949, 90433, 91931, 219623, 223261, 297137, 1537361, 1562827, 2079959, 5051329, 7376749, 35359303, 51637243, 125404733, 169665227, 877833131, 1187656589, 2884308859, 20190162013]

約数ペア:

[(1, 20190162013), (7, 2884308859), (17, 1187656589), (23, 877833131), (119, 169665227), (161, 125404733), (391, 51637243), (571, 35359303), (2737, 7376749), (3997, 5051329), (9707, 2079959), (12919, 1562827), (13133, 1537361), (67949, 297137), (90433, 223261), (91931, 219623)]