18138901

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1471}}^1$

素因数の和:1560

約数の個数: 16

約数和(自身を含む): 21196800

約数和(自身を除く): 3057899

約数列:

[1, 11, 19, 59, 209, 649, 1121, 1471, 12331, 16181, 27949, 86789, 307439, 954679, 1648991, 18138901]

約数ペア:

[(1, 18138901), (11, 1648991), (19, 954679), (59, 307439), (209, 86789), (649, 27949), (1121, 16181), (1471, 12331)]