19791291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{683}}^1\times {\mathrm{743}}^1$

素因数の和:1442

約数の個数: 16

約数和(自身を含む): 28498176

約数和(自身を除く): 8706885

約数列:

[1, 3, 13, 39, 683, 743, 2049, 2229, 8879, 9659, 26637, 28977, 507469, 1522407, 6597097, 19791291]

約数ペア:

[(1, 19791291), (3, 6597097), (13, 1522407), (39, 507469), (683, 28977), (743, 26637), (2049, 9659), (2229, 8879)]