19729108

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11551}}^1$

素因数の和:11623

約数の個数: 24

約数和(自身を含む): 40108544

約数和(自身を除く): 20379436

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 11551, 23102, 46204, 80857, 161714, 323428, 704611, 1409222, 2818444, 4932277, 9864554, 19729108]

約数ペア:

[(1, 19729108), (2, 9864554), (4, 4932277), (7, 2818444), (14, 1409222), (28, 704611), (61, 323428), (122, 161714), (244, 80857), (427, 46204), (854, 23102), (1708, 11551)]