18925283

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 21245952

約数和(自身を除く): 2320669

約数列:

[1, 13, 31, 151, 311, 403, 1963, 4043, 4681, 9641, 46961, 60853, 125333, 610493, 1455791, 18925283]

約数ペア:

[(1, 18925283), (13, 1455791), (31, 610493), (151, 125333), (311, 60853), (403, 46961), (1963, 9641), (4043, 4681)]