19796413

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2621}}^1$

素因数の和:2724

約数の個数: 16

約数和(自身を含む): 24667776

約数和(自身を除く): 4871363

約数列:

[1, 7, 13, 83, 91, 581, 1079, 2621, 7553, 18347, 34073, 217543, 238511, 1522801, 2828059, 19796413]

約数ペア:

[(1, 19796413), (7, 2828059), (13, 1522801), (83, 238511), (91, 217543), (581, 34073), (1079, 18347), (2621, 7553)]