19147216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{108791}}^1$

素因数の和:108810

約数の個数: 20

約数和(自身を含む): 40470624

約数和(自身を除く): 21323408

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 108791, 217582, 435164, 870328, 1196701, 1740656, 2393402, 4786804, 9573608, 19147216]

約数ペア:

[(1, 19147216), (2, 9573608), (4, 4786804), (8, 2393402), (11, 1740656), (16, 1196701), (22, 870328), (44, 435164), (88, 217582), (176, 108791)]