18911912

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{14503}}^1$

素因数の和:14672

約数の個数: 16

約数和(自身を含む): 35679840

約数和(自身を除く): 16767928

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 14503, 29006, 58012, 116024, 2363989, 4727978, 9455956, 18911912]

約数ペア:

[(1, 18911912), (2, 9455956), (4, 4727978), (8, 2363989), (163, 116024), (326, 58012), (652, 29006), (1304, 14503)]