19855801

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 23316480

約数和(自身を除く): 3460679

約数列:

[1, 7, 59, 131, 367, 413, 917, 2569, 7729, 21653, 48077, 54103, 151571, 336539, 2836543, 19855801]

約数ペア:

[(1, 19855801), (7, 2836543), (59, 336539), (131, 151571), (367, 54103), (413, 48077), (917, 21653), (2569, 7729)]