18739078

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{571}}^1$

素因数の和:903

約数の個数: 16

約数和(自身を含む): 28725840

約数和(自身を除く): 9986762

約数列:

[1, 2, 61, 122, 269, 538, 571, 1142, 16409, 32818, 34831, 69662, 153599, 307198, 9369539, 18739078]

約数ペア:

[(1, 18739078), (2, 9369539), (61, 307198), (122, 153599), (269, 69662), (538, 34831), (571, 32818), (1142, 16409)]