18913345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{937}}^1$

素因数の和:1320

約数の個数: 16

約数和(自身を含む): 24853248

約数和(自身を除く): 5939903

約数列:

[1, 5, 11, 55, 367, 937, 1835, 4037, 4685, 10307, 20185, 51535, 343879, 1719395, 3782669, 18913345]

約数ペア:

[(1, 18913345), (5, 3782669), (11, 1719395), (55, 343879), (367, 51535), (937, 20185), (1835, 10307), (4037, 4685)]