19906756

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{5573}}^1$

素因数の和:5643

約数の個数: 24

約数和(自身を含む): 37457280

約数和(自身を除く): 17550524

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 893, 1786, 3572, 5573, 11146, 22292, 105887, 211774, 261931, 423548, 523862, 1047724, 4976689, 9953378, 19906756]

約数ペア:

[(1, 19906756), (2, 9953378), (4, 4976689), (19, 1047724), (38, 523862), (47, 423548), (76, 261931), (94, 211774), (188, 105887), (893, 22292), (1786, 11146), (3572, 5573)]