18873976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1543}}^1$

素因数の和:1699

約数の個数: 32

約数和(自身を含む): 38908800

約数和(自身を除く): 20034824

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 1543, 3058, 3086, 6116, 6172, 12232, 12344, 16973, 33946, 67892, 135784, 214477, 428954, 857908, 1715816, 2359247, 4718494, 9436988, 18873976]

約数ペア:

[(1, 18873976), (2, 9436988), (4, 4718494), (8, 2359247), (11, 1715816), (22, 857908), (44, 428954), (88, 214477), (139, 135784), (278, 67892), (556, 33946), (1112, 16973), (1529, 12344), (1543, 12232), (3058, 6172), (3086, 6116)]