2019189055

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1\times {\mathrm{1297}}^1$

素因数の和:1915

約数の個数: 32

約数和(自身を含む): 2676953664

約数和(自身を除く): 657764609

約数列:

[1, 5, 13, 43, 65, 215, 557, 559, 1297, 2785, 2795, 6485, 7241, 16861, 23951, 36205, 55771, 84305, 119755, 278855, 311363, 722429, 725023, 1556815, 3612145, 3625115, 9391577, 31064447, 46957885, 155322235, 403837811, 2019189055]

約数ペア:

[(1, 2019189055), (5, 403837811), (13, 155322235), (43, 46957885), (65, 31064447), (215, 9391577), (557, 3625115), (559, 3612145), (1297, 1556815), (2785, 725023), (2795, 722429), (6485, 311363), (7241, 278855), (16861, 119755), (23951, 84305), (36205, 55771)]