18403858

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{673}}^1$

素因数の和:810

約数の個数: 24

約数和(自身を含む): 30657564

約数和(自身を除く): 12253706

約数列:

[1, 2, 11, 22, 113, 121, 226, 242, 673, 1243, 1346, 2486, 7403, 13673, 14806, 27346, 76049, 81433, 152098, 162866, 836539, 1673078, 9201929, 18403858]

約数ペア:

[(1, 18403858), (2, 9201929), (11, 1673078), (22, 836539), (113, 162866), (121, 152098), (226, 81433), (242, 76049), (673, 27346), (1243, 14806), (1346, 13673), (2486, 7403)]