19082804

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{28229}}^1$

素因数の和:28259

約数の個数: 18

約数和(自身を含む): 36162630

約数和(自身を除く): 17079826

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 28229, 56458, 112916, 366977, 733954, 1467908, 4770701, 9541402, 19082804]

約数ペア:

[(1, 19082804), (2, 9541402), (4, 4770701), (13, 1467908), (26, 733954), (52, 366977), (169, 112916), (338, 56458), (676, 28229)]