18889306

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 31026240

約数和(自身を除く): 12136934

約数列:

[1, 2, 19, 38, 53, 83, 106, 113, 166, 226, 1007, 1577, 2014, 2147, 3154, 4294, 4399, 5989, 8798, 9379, 11978, 18758, 83581, 113791, 167162, 178201, 227582, 356402, 497087, 994174, 9444653, 18889306]

約数ペア:

[(1, 18889306), (2, 9444653), (19, 994174), (38, 497087), (53, 356402), (83, 227582), (106, 178201), (113, 167162), (166, 113791), (226, 83581), (1007, 18758), (1577, 11978), (2014, 9379), (2147, 8798), (3154, 5989), (4294, 4399)]