19851806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 33929280

約数和(自身を除く): 14077474

約数列:

[1, 2, 13, 23, 26, 46, 89, 178, 299, 373, 598, 746, 1157, 2047, 2314, 4094, 4849, 8579, 9698, 17158, 26611, 33197, 53222, 66394, 111527, 223054, 431561, 763531, 863122, 1527062, 9925903, 19851806]

約数ペア:

[(1, 19851806), (2, 9925903), (13, 1527062), (23, 863122), (26, 763531), (46, 431561), (89, 223054), (178, 111527), (299, 66394), (373, 53222), (598, 33197), (746, 26611), (1157, 17158), (2047, 9698), (2314, 8579), (4094, 4849)]