18222980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53597}}^1$

素因数の和:53623

約数の個数: 24

約数和(自身を含む): 40520088

約数和(自身を除く): 22297108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 53597, 107194, 214388, 267985, 535970, 911149, 1071940, 1822298, 3644596, 4555745, 9111490, 18222980]

約数ペア:

[(1, 18222980), (2, 9111490), (4, 4555745), (5, 3644596), (10, 1822298), (17, 1071940), (20, 911149), (34, 535970), (68, 267985), (85, 214388), (170, 107194), (340, 53597)]