19164208

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1231}}^1$

素因数の和:1385

約数の個数: 40

約数和(自身を含む): 42775040

約数和(自身を除く): 23610832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1231, 1946, 2224, 2462, 3892, 4924, 7784, 8617, 9848, 15568, 17234, 19696, 34468, 68936, 137872, 171109, 342218, 684436, 1197763, 1368872, 2395526, 2737744, 4791052, 9582104, 19164208]

約数ペア:

[(1, 19164208), (2, 9582104), (4, 4791052), (7, 2737744), (8, 2395526), (14, 1368872), (16, 1197763), (28, 684436), (56, 342218), (112, 171109), (139, 137872), (278, 68936), (556, 34468), (973, 19696), (1112, 17234), (1231, 15568), (1946, 9848), (2224, 8617), (2462, 7784), (3892, 4924)]