19874260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141959}}^1$

素因数の和:141975

約数の個数: 24

約数和(自身を含む): 47698560

約数和(自身を除く): 27824300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141959, 283918, 567836, 709795, 993713, 1419590, 1987426, 2839180, 3974852, 4968565, 9937130, 19874260]

約数ペア:

[(1, 19874260), (2, 9937130), (4, 4968565), (5, 3974852), (7, 2839180), (10, 1987426), (14, 1419590), (20, 993713), (28, 709795), (35, 567836), (70, 283918), (140, 141959)]