19494244

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{379}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 23406236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 167, 308, 334, 379, 668, 758, 1169, 1516, 1837, 2338, 2653, 3674, 4169, 4676, 5306, 7348, 8338, 10612, 12859, 16676, 25718, 29183, 51436, 58366, 63293, 116732, 126586, 253172, 443051, 696223, 886102, 1392446, 1772204, 2784892, 4873561, 9747122, 19494244]

約数ペア:

[(1, 19494244), (2, 9747122), (4, 4873561), (7, 2784892), (11, 1772204), (14, 1392446), (22, 886102), (28, 696223), (44, 443051), (77, 253172), (154, 126586), (167, 116732), (308, 63293), (334, 58366), (379, 51436), (668, 29183), (758, 25718), (1169, 16676), (1516, 12859), (1837, 10612), (2338, 8338), (2653, 7348), (3674, 5306), (4169, 4676)]