18541084

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:454

約数の個数: 36

約数和(自身を含む): 35363944

約数和(自身を除く): 16822860

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 289, 373, 578, 731, 746, 1156, 1462, 1492, 2924, 6341, 12427, 12682, 16039, 24854, 25364, 32078, 49708, 64156, 107797, 215594, 272663, 431188, 545326, 1090652, 4635271, 9270542, 18541084]

約数ペア:

[(1, 18541084), (2, 9270542), (4, 4635271), (17, 1090652), (34, 545326), (43, 431188), (68, 272663), (86, 215594), (172, 107797), (289, 64156), (373, 49708), (578, 32078), (731, 25364), (746, 24854), (1156, 16039), (1462, 12682), (1492, 12427), (2924, 6341)]