187872038

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{11471}}^1$

素因数の和:11923

約数の個数: 16

約数和(自身を含む): 297354240

約数和(自身を除く): 109482202

約数列:

[1, 2, 19, 38, 431, 862, 8189, 11471, 16378, 22942, 217949, 435898, 4944001, 9888002, 93936019, 187872038]

約数ペア:

[(1, 187872038), (2, 93936019), (19, 9888002), (38, 4944001), (431, 435898), (862, 217949), (8189, 22942), (11471, 16378)]