18100840

素因数分解:

$2^3\times 5^1\times {\mathrm{452521}}^1$

素因数の和:452532

約数の個数: 16

約数和(自身を含む): 40726980

約数和(自身を除く): 22626140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 452521, 905042, 1810084, 2262605, 3620168, 4525210, 9050420, 18100840]

約数ペア:

[(1, 18100840), (2, 9050420), (4, 4525210), (5, 3620168), (8, 2262605), (10, 1810084), (20, 905042), (40, 452521)]