18890992

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{25121}}^1$

素因数の和:25176

約数の個数: 20

約数和(自身を含む): 37381536

約数和(自身を除く): 18490544

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 25121, 50242, 100484, 200968, 401936, 1180687, 2361374, 4722748, 9445496, 18890992]

約数ペア:

[(1, 18890992), (2, 9445496), (4, 4722748), (8, 2361374), (16, 1180687), (47, 401936), (94, 200968), (188, 100484), (376, 50242), (752, 25121)]