18870430

素因数分解:

$2^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{5407}}^1$

素因数の和:5763

約数の個数: 16

約数和(自身を含む): 34070400

約数和(自身を除く): 15199970

約数列:

[1, 2, 5, 10, 349, 698, 1745, 3490, 5407, 10814, 27035, 54070, 1887043, 3774086, 9435215, 18870430]

約数ペア:

[(1, 18870430), (2, 9435215), (5, 3774086), (10, 1887043), (349, 54070), (698, 27035), (1745, 10814), (3490, 5407)]