18920523

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6263}}^1$

素因数の和:6338

約数の個数: 16

約数和(自身を含む): 27060480

約数和(自身を除く): 8139957

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 6263, 18789, 118997, 331939, 356991, 995817, 6306841, 18920523]

約数ペア:

[(1, 18920523), (3, 6306841), (19, 995817), (53, 356991), (57, 331939), (159, 118997), (1007, 18789), (3021, 6263)]