18976856

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1051}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 37177680

約数和(自身を除く): 18200824

約数列:

[1, 2, 4, 8, 37, 61, 74, 122, 148, 244, 296, 488, 1051, 2102, 2257, 4204, 4514, 8408, 9028, 18056, 38887, 64111, 77774, 128222, 155548, 256444, 311096, 512888, 2372107, 4744214, 9488428, 18976856]

約数ペア:

[(1, 18976856), (2, 9488428), (4, 4744214), (8, 2372107), (37, 512888), (61, 311096), (74, 256444), (122, 155548), (148, 128222), (244, 77774), (296, 64111), (488, 38887), (1051, 18056), (2102, 9028), (2257, 8408), (4204, 4514)]