19577380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 42819840

約数和(自身を除く): 23242460

約数列:

[1, 2, 4, 5, 10, 20, 47, 59, 94, 118, 188, 235, 236, 295, 353, 470, 590, 706, 940, 1180, 1412, 1765, 2773, 3530, 5546, 7060, 11092, 13865, 16591, 20827, 27730, 33182, 41654, 55460, 66364, 82955, 83308, 104135, 165910, 208270, 331820, 416540, 978869, 1957738, 3915476, 4894345, 9788690, 19577380]

約数ペア:

[(1, 19577380), (2, 9788690), (4, 4894345), (5, 3915476), (10, 1957738), (20, 978869), (47, 416540), (59, 331820), (94, 208270), (118, 165910), (188, 104135), (235, 83308), (236, 82955), (295, 66364), (353, 55460), (470, 41654), (590, 33182), (706, 27730), (940, 20827), (1180, 16591), (1412, 13865), (1765, 11092), (2773, 7060), (3530, 5546)]