19489148

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16187}}^1$

素因数の和:16241

約数の個数: 24

約数和(自身を含む): 39887232

約数和(自身を除く): 20398084

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16187, 32374, 64748, 113309, 226618, 453236, 696041, 1392082, 2784164, 4872287, 9744574, 19489148]

約数ペア:

[(1, 19489148), (2, 9744574), (4, 4872287), (7, 2784164), (14, 1392082), (28, 696041), (43, 453236), (86, 226618), (172, 113309), (301, 64748), (602, 32374), (1204, 16187)]