19859709

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{2309}}^1$

素因数の和:2420

約数の個数: 16

約数和(自身を含む): 27498240

約数和(自身を除く): 7638531

約数列:

[1, 3, 47, 61, 141, 183, 2309, 2867, 6927, 8601, 108523, 140849, 325569, 422547, 6619903, 19859709]

約数ペア:

[(1, 19859709), (3, 6619903), (47, 422547), (61, 325569), (141, 140849), (183, 108523), (2309, 8601), (2867, 6927)]