18403760

素因数分解:

$2^4\times 5^1\times {\mathrm{230047}}^1$

素因数の和:230060

約数の個数: 20

約数和(自身を含む): 42788928

約数和(自身を除く): 24385168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230047, 460094, 920188, 1150235, 1840376, 2300470, 3680752, 4600940, 9201880, 18403760]

約数ペア:

[(1, 18403760), (2, 9201880), (4, 4600940), (5, 3680752), (8, 2300470), (10, 1840376), (16, 1150235), (20, 920188), (40, 460094), (80, 230047)]