18383240

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1831}}^1$

素因数の和:2093

約数の個数: 32

約数和(自身を含む): 41549760

約数和(自身を除く): 23166520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 1831, 2008, 2510, 3662, 5020, 7324, 9155, 10040, 14648, 18310, 36620, 73240, 459581, 919162, 1838324, 2297905, 3676648, 4595810, 9191620, 18383240]

約数ペア:

[(1, 18383240), (2, 9191620), (4, 4595810), (5, 3676648), (8, 2297905), (10, 1838324), (20, 919162), (40, 459581), (251, 73240), (502, 36620), (1004, 18310), (1255, 14648), (1831, 10040), (2008, 9155), (2510, 7324), (3662, 5020)]