19979450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21031}}^1$

素因数の和:21062

約数の個数: 24

約数和(自身を含む): 39119520

約数和(自身を除く): 19140070

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 21031, 42062, 105155, 210310, 399589, 525775, 799178, 1051550, 1997945, 3995890, 9989725, 19979450]

約数ペア:

[(1, 19979450), (2, 9989725), (5, 3995890), (10, 1997945), (19, 1051550), (25, 799178), (38, 525775), (50, 399589), (95, 210310), (190, 105155), (475, 42062), (950, 21031)]