19390430

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21787}}^1$

素因数の和:21883

約数の個数: 16

約数和(自身を含む): 35296560

約数和(自身を除く): 15906130

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 21787, 43574, 108935, 217870, 1939043, 3878086, 9695215, 19390430]

約数ペア:

[(1, 19390430), (2, 9695215), (5, 3878086), (10, 1939043), (89, 217870), (178, 108935), (445, 43574), (890, 21787)]