18008908

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3209}}^1$

素因数の和:3297

約数の個数: 24

約数和(自身を含む): 33435360

約数和(自身を除く): 15426452

約数列:

[1, 2, 4, 23, 46, 61, 92, 122, 244, 1403, 2806, 3209, 5612, 6418, 12836, 73807, 147614, 195749, 295228, 391498, 782996, 4502227, 9004454, 18008908]

約数ペア:

[(1, 18008908), (2, 9004454), (4, 4502227), (23, 782996), (46, 391498), (61, 295228), (92, 195749), (122, 147614), (244, 73807), (1403, 12836), (2806, 6418), (3209, 5612)]