19838900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{6841}}^1$

素因数の和:6884

約数の個数: 36

約数和(自身を含む): 44541420

約数和(自身を除く): 24702520

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 6841, 13682, 27364, 34205, 68410, 136820, 171025, 198389, 342050, 396778, 684100, 793556, 991945, 1983890, 3967780, 4959725, 9919450, 19838900]

約数ペア:

[(1, 19838900), (2, 9919450), (4, 4959725), (5, 3967780), (10, 1983890), (20, 991945), (25, 793556), (29, 684100), (50, 396778), (58, 342050), (100, 198389), (116, 171025), (145, 136820), (290, 68410), (580, 34205), (725, 27364), (1450, 13682), (2900, 6841)]