19927221

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 27095040

約数和(自身を除く): 7167819

約数列:

[1, 3, 83, 191, 249, 419, 573, 1257, 15853, 34777, 47559, 80029, 104331, 240087, 6642407, 19927221]

約数ペア:

[(1, 19927221), (3, 6642407), (83, 240087), (191, 104331), (249, 80029), (419, 47559), (573, 34777), (1257, 15853)]