2019138890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{45181}}^1$

素因数の和:45338

約数の個数: 32

約数和(自身を含む): 3757335120

約数和(自身を除く): 1738196230

約数列:

[1, 2, 5, 10, 41, 82, 109, 205, 218, 410, 545, 1090, 4469, 8938, 22345, 44690, 45181, 90362, 225905, 451810, 1852421, 3704842, 4924729, 9262105, 9849458, 18524210, 24623645, 49247290, 201913889, 403827778, 1009569445, 2019138890]

約数ペア:

[(1, 2019138890), (2, 1009569445), (5, 403827778), (10, 201913889), (41, 49247290), (82, 24623645), (109, 18524210), (205, 9849458), (218, 9262105), (410, 4924729), (545, 3704842), (1090, 1852421), (4469, 451810), (8938, 225905), (22345, 90362), (44690, 45181)]