19382020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{829}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 46851840

約数和(自身を除く): 27469820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 829, 835, 1169, 1658, 1670, 2338, 3316, 3340, 4145, 4676, 5803, 5845, 8290, 11606, 11690, 16580, 23212, 23380, 29015, 58030, 116060, 138443, 276886, 553772, 692215, 969101, 1384430, 1938202, 2768860, 3876404, 4845505, 9691010, 19382020]

約数ペア:

[(1, 19382020), (2, 9691010), (4, 4845505), (5, 3876404), (7, 2768860), (10, 1938202), (14, 1384430), (20, 969101), (28, 692215), (35, 553772), (70, 276886), (140, 138443), (167, 116060), (334, 58030), (668, 29015), (829, 23380), (835, 23212), (1169, 16580), (1658, 11690), (1670, 11606), (2338, 8290), (3316, 5845), (3340, 5803), (4145, 4676)]