9981868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1381}}^1$

素因数の和:1537

約数の個数: 24

約数和(自身を含む): 18961040

約数和(自身を除く): 8979172

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1381, 1807, 2762, 3614, 5524, 7228, 17953, 35906, 71812, 191959, 383918, 767836, 2495467, 4990934, 9981868]

約数ペア:

[(1, 9981868), (2, 4990934), (4, 2495467), (13, 767836), (26, 383918), (52, 191959), (139, 71812), (278, 35906), (556, 17953), (1381, 7228), (1807, 5524), (2762, 3614)]