19417888

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3769}}^1$

素因数の和:3809

約数の個数: 48

約数和(自身を含む): 45601920

約数和(自身を除く): 26184032

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 3769, 5152, 7538, 15076, 26383, 30152, 52766, 60304, 86687, 105532, 120608, 173374, 211064, 346748, 422128, 606809, 693496, 844256, 1213618, 1386992, 2427236, 2773984, 4854472, 9708944, 19417888]

約数ペア:

[(1, 19417888), (2, 9708944), (4, 4854472), (7, 2773984), (8, 2427236), (14, 1386992), (16, 1213618), (23, 844256), (28, 693496), (32, 606809), (46, 422128), (56, 346748), (92, 211064), (112, 173374), (161, 120608), (184, 105532), (224, 86687), (322, 60304), (368, 52766), (644, 30152), (736, 26383), (1288, 15076), (2576, 7538), (3769, 5152)]