19086440

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1259}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 43092000

約数和(自身を除く): 24005560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1259, 1516, 1895, 2518, 3032, 3790, 5036, 6295, 7580, 10072, 12590, 15160, 25180, 50360, 477161, 954322, 1908644, 2385805, 3817288, 4771610, 9543220, 19086440]

約数ペア:

[(1, 19086440), (2, 9543220), (4, 4771610), (5, 3817288), (8, 2385805), (10, 1908644), (20, 954322), (40, 477161), (379, 50360), (758, 25180), (1259, 15160), (1516, 12590), (1895, 10072), (2518, 7580), (3032, 6295), (3790, 5036)]