19897792

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{7583}}^1$

素因数の和:7636

約数の個数: 28

約数和(自身を含む): 40453056

約数和(自身を除く): 20555264

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 7583, 15166, 30332, 60664, 121328, 242656, 310903, 485312, 621806, 1243612, 2487224, 4974448, 9948896, 19897792]

約数ペア:

[(1, 19897792), (2, 9948896), (4, 4974448), (8, 2487224), (16, 1243612), (32, 621806), (41, 485312), (64, 310903), (82, 242656), (164, 121328), (328, 60664), (656, 30332), (1312, 15166), (2624, 7583)]