19975684

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{1213}}^1$

素因数の和:1419

約数の個数: 24

約数和(自身を含む): 36711360

約数和(自身を除く): 16735676

約数列:

[1, 2, 4, 23, 46, 92, 179, 358, 716, 1213, 2426, 4117, 4852, 8234, 16468, 27899, 55798, 111596, 217127, 434254, 868508, 4993921, 9987842, 19975684]

約数ペア:

[(1, 19975684), (2, 9987842), (4, 4993921), (23, 868508), (46, 434254), (92, 217127), (179, 111596), (358, 55798), (716, 27899), (1213, 16468), (2426, 8234), (4117, 4852)]