20019198

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2621}}^1$

素因数の和:2712

約数の個数: 32

約数和(自身を含む): 42791040

約数和(自身を除く): 22771842

約数列:

[1, 2, 3, 6, 19, 38, 57, 67, 114, 134, 201, 402, 1273, 2546, 2621, 3819, 5242, 7638, 7863, 15726, 49799, 99598, 149397, 175607, 298794, 351214, 526821, 1053642, 3336533, 6673066, 10009599, 20019198]

約数ペア:

[(1, 20019198), (2, 10009599), (3, 6673066), (6, 3336533), (19, 1053642), (38, 526821), (57, 351214), (67, 298794), (114, 175607), (134, 149397), (201, 99598), (402, 49799), (1273, 15726), (2546, 7863), (2621, 7638), (3819, 5242)]