18804900987

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{379}}^1\times {\mathrm{40241}}^1$

素因数の和:40763

約数の個数: 24

約数和(自身を含む): 27433776240

約数和(自身を除く): 8628875253

約数列:

[1, 3, 9, 137, 379, 411, 1137, 1233, 3411, 40241, 51923, 120723, 155769, 362169, 467307, 5513017, 15251339, 16539051, 45754017, 49617153, 137262051, 2089433443, 6268300329, 18804900987]

約数ペア:

[(1, 18804900987), (3, 6268300329), (9, 2089433443), (137, 137262051), (379, 49617153), (411, 45754017), (1137, 16539051), (1233, 15251339), (3411, 5513017), (40241, 467307), (51923, 362169), (120723, 155769)]