2019343885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{5387}}^1$

素因数の和:5557

約数の個数: 32

約数和(自身を含む): 2679344640

約数和(自身を除く): 660000755

約数列:

[1, 5, 13, 65, 73, 79, 365, 395, 949, 1027, 4745, 5135, 5387, 5767, 26935, 28835, 70031, 74971, 350155, 374855, 393251, 425573, 1966255, 2127865, 5112263, 5532449, 25561315, 27662245, 31066829, 155334145, 403868777, 2019343885]

約数ペア:

[(1, 2019343885), (5, 403868777), (13, 155334145), (65, 31066829), (73, 27662245), (79, 25561315), (365, 5532449), (395, 5112263), (949, 2127865), (1027, 1966255), (4745, 425573), (5135, 393251), (5387, 374855), (5767, 350155), (26935, 74971), (28835, 70031)]