19259889

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3917}}^1$

素因数の和:4080

約数の個数: 16

約数和(自身を含む): 28209600

約数和(自身を除く): 8949711

約数列:

[1, 3, 11, 33, 149, 447, 1639, 3917, 4917, 11751, 43087, 129261, 583633, 1750899, 6419963, 19259889]

約数ペア:

[(1, 19259889), (3, 6419963), (11, 1750899), (33, 583633), (149, 129261), (447, 43087), (1639, 11751), (3917, 4917)]