18170840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23909}}^1$

素因数の和:23939

約数の個数: 32

約数和(自身を含む): 43038000

約数和(自身を除く): 24867160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 23909, 47818, 95636, 119545, 191272, 239090, 454271, 478180, 908542, 956360, 1817084, 2271355, 3634168, 4542710, 9085420, 18170840]

約数ペア:

[(1, 18170840), (2, 9085420), (4, 4542710), (5, 3634168), (8, 2271355), (10, 1817084), (19, 956360), (20, 908542), (38, 478180), (40, 454271), (76, 239090), (95, 191272), (152, 119545), (190, 95636), (380, 47818), (760, 23909)]