18326180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22349}}^1$

素因数の和:22399

約数の個数: 24

約数和(自身を含む): 39425400

約数和(自身を除く): 21099220

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 22349, 44698, 89396, 111745, 223490, 446980, 916309, 1832618, 3665236, 4581545, 9163090, 18326180]

約数ペア:

[(1, 18326180), (2, 9163090), (4, 4581545), (5, 3665236), (10, 1832618), (20, 916309), (41, 446980), (82, 223490), (164, 111745), (205, 89396), (410, 44698), (820, 22349)]