20199413

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1543}}^1$

素因数の和:1628

約数の個数: 16

約数和(自身を含む): 23345280

約数和(自身を除く): 3145867

約数列:

[1, 13, 19, 53, 247, 689, 1007, 1543, 13091, 20059, 29317, 81779, 381121, 1063127, 1553801, 20199413]

約数ペア:

[(1, 20199413), (13, 1553801), (19, 1063127), (53, 381121), (247, 81779), (689, 29317), (1007, 20059), (1543, 13091)]