19876892

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5419}}^1$

素因数の和:5561

約数の個数: 24

約数和(自身を含む): 40064640

約数和(自身を除く): 20187748

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5419, 10838, 21676, 37933, 75866, 151732, 709889, 1419778, 2839556, 4969223, 9938446, 19876892]

約数ペア:

[(1, 19876892), (2, 9938446), (4, 4969223), (7, 2839556), (14, 1419778), (28, 709889), (131, 151732), (262, 75866), (524, 37933), (917, 21676), (1834, 10838), (3668, 5419)]