19794884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1439}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 36691200

約数和(自身を除く): 16896316

約数列:

[1, 2, 4, 19, 38, 76, 181, 362, 724, 1439, 2878, 3439, 5756, 6878, 13756, 27341, 54682, 109364, 260459, 520918, 1041836, 4948721, 9897442, 19794884]

約数ペア:

[(1, 19794884), (2, 9897442), (4, 4948721), (19, 1041836), (38, 520918), (76, 260459), (181, 109364), (362, 54682), (724, 27341), (1439, 13756), (2878, 6878), (3439, 5756)]