19645888

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{7487}}^1$

素因数の和:7540

約数の個数: 28

約数和(自身を含む): 39940992

約数和(自身を除く): 20295104

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 7487, 14974, 29948, 59896, 119792, 239584, 306967, 479168, 613934, 1227868, 2455736, 4911472, 9822944, 19645888]

約数ペア:

[(1, 19645888), (2, 9822944), (4, 4911472), (8, 2455736), (16, 1227868), (32, 613934), (41, 479168), (64, 306967), (82, 239584), (164, 119792), (328, 59896), (656, 29948), (1312, 14974), (2624, 7487)]