19945404

素因数分解:

$2^2\times 3^2\times {\mathrm{113}}^1\times {\mathrm{4903}}^1$

素因数の和:5026

約数の個数: 36

約数和(自身を含む): 50874096

約数和(自身を除く): 30928692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 113, 226, 339, 452, 678, 1017, 1356, 2034, 4068, 4903, 9806, 14709, 19612, 29418, 44127, 58836, 88254, 176508, 554039, 1108078, 1662117, 2216156, 3324234, 4986351, 6648468, 9972702, 19945404]

約数ペア:

[(1, 19945404), (2, 9972702), (3, 6648468), (4, 4986351), (6, 3324234), (9, 2216156), (12, 1662117), (18, 1108078), (36, 554039), (113, 176508), (226, 88254), (339, 58836), (452, 44127), (678, 29418), (1017, 19612), (1356, 14709), (2034, 9806), (4068, 4903)]