18739604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1301}}^1$

素因数の和:1595

約数の個数: 24

約数和(自身を含む): 35471688

約数和(自身を除く): 16732084

約数列:

[1, 2, 4, 13, 26, 52, 277, 554, 1108, 1301, 2602, 3601, 5204, 7202, 14404, 16913, 33826, 67652, 360377, 720754, 1441508, 4684901, 9369802, 18739604]

約数ペア:

[(1, 18739604), (2, 9369802), (4, 4684901), (13, 1441508), (26, 720754), (52, 360377), (277, 67652), (554, 33826), (1108, 16913), (1301, 14404), (2602, 7202), (3601, 5204)]