18889136

素因数分解:

$2^4\times 7^1\times {\mathrm{191}}^1\times {\mathrm{883}}^1$

素因数の和:1089

約数の個数: 40

約数和(自身を含む): 42092544

約数和(自身を除く): 23203408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191, 382, 764, 883, 1337, 1528, 1766, 2674, 3056, 3532, 5348, 6181, 7064, 10696, 12362, 14128, 21392, 24724, 49448, 98896, 168653, 337306, 674612, 1180571, 1349224, 2361142, 2698448, 4722284, 9444568, 18889136]

約数ペア:

[(1, 18889136), (2, 9444568), (4, 4722284), (7, 2698448), (8, 2361142), (14, 1349224), (16, 1180571), (28, 674612), (56, 337306), (112, 168653), (191, 98896), (382, 49448), (764, 24724), (883, 21392), (1337, 14128), (1528, 12362), (1766, 10696), (2674, 7064), (3056, 6181), (3532, 5348)]