20172521768

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18959137}}^1$

素因数の和:18959169

約数の個数: 32

約数和(自身を含む): 45501931200

約数和(自身を除く): 25329409432

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 18959137, 37918274, 75836548, 132713959, 151673096, 265427918, 360223603, 530855836, 720447206, 1061711672, 1440894412, 2521565221, 2881788824, 5043130442, 10086260884, 20172521768]

約数ペア:

[(1, 20172521768), (2, 10086260884), (4, 5043130442), (7, 2881788824), (8, 2521565221), (14, 1440894412), (19, 1061711672), (28, 720447206), (38, 530855836), (56, 360223603), (76, 265427918), (133, 151673096), (152, 132713959), (266, 75836548), (532, 37918274), (1064, 18959137)]