19255216

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{38821}}^1$

素因数の和:38860

約数の個数: 20

約数和(自身を含む): 38511424

約数和(自身を除く): 19256208

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 38821, 77642, 155284, 310568, 621136, 1203451, 2406902, 4813804, 9627608, 19255216]

約数ペア:

[(1, 19255216), (2, 9627608), (4, 4813804), (8, 2406902), (16, 1203451), (31, 621136), (62, 310568), (124, 155284), (248, 77642), (496, 38821)]