18237131

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1229}}^1$

素因数の和:1330

約数の個数: 16

約数和(自身を含む): 21254400

約数和(自身を除く): 3017269

約数列:

[1, 11, 19, 71, 209, 781, 1229, 1349, 13519, 14839, 23351, 87259, 256861, 959849, 1657921, 18237131]

約数ペア:

[(1, 18237131), (11, 1657921), (19, 959849), (71, 256861), (209, 87259), (781, 23351), (1229, 14839), (1349, 13519)]