19904368

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113093}}^1$

素因数の和:113112

約数の個数: 20

約数和(自身を含む): 42070968

約数和(自身を除く): 22166600

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113093, 226186, 452372, 904744, 1244023, 1809488, 2488046, 4976092, 9952184, 19904368]

約数ペア:

[(1, 19904368), (2, 9952184), (4, 4976092), (8, 2488046), (11, 1809488), (16, 1244023), (22, 904744), (44, 452372), (88, 226186), (176, 113093)]