19716203

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 22099392

約数和(自身を除く): 2383189

約数列:

[1, 13, 41, 71, 521, 533, 923, 2911, 6773, 21361, 36991, 37843, 277693, 480883, 1516631, 19716203]

約数ペア:

[(1, 19716203), (13, 1516631), (41, 480883), (71, 277693), (521, 37843), (533, 36991), (923, 21361), (2911, 6773)]