19035128

素因数分解:

$2^3\times 7^4\times {\mathrm{991}}^1$

素因数の和:1025

約数の個数: 40

約数和(自身を含む): 41678880

約数和(自身を除く): 22643752

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 991, 1372, 1982, 2401, 2744, 3964, 4802, 6937, 7928, 9604, 13874, 19208, 27748, 48559, 55496, 97118, 194236, 339913, 388472, 679826, 1359652, 2379391, 2719304, 4758782, 9517564, 19035128]

約数ペア:

[(1, 19035128), (2, 9517564), (4, 4758782), (7, 2719304), (8, 2379391), (14, 1359652), (28, 679826), (49, 388472), (56, 339913), (98, 194236), (196, 97118), (343, 55496), (392, 48559), (686, 27748), (991, 19208), (1372, 13874), (1982, 9604), (2401, 7928), (2744, 6937), (3964, 4802)]